Grades 9-12: High School Age ProjectsBy instructables24,55624 Suggested ProjectsHigh School goes by fast. Prep your students for college or jobs with these projects that will set them apart from the pack.3D Printed STEM Racersby Paige Russell in ScienceMobile Phone Controlled Robotby liquidhandwash in ArduinoConnect PET Bottles, Make TrussFab Structuresby HCIHPI in 3D PrintingUber-Cheap Electroscope for Teachingby Udon in ScienceHow to Design the Best Boat in Tinkercad: a STEM Challenge & Lesson Plan for Teachersby MyStemKits in 3D PrintingSolar USB Chargerby bekathwia in SolarReal-time Water Quality Monitoring Boatby Jaychouu in ArduinoRemote Control Robot Armby AlphaFire in Robots3D Printed Camera : OpenReflexby LeoMarius in 3D PrintingSolar PV Trackerby bwitmer in SolarBike Generatorby Doug Costlow in Electric VehiclesLight-Up Disco Tableby Beaconsfield in ArduinoSpeech Controlled Quadropodby Adith Jagadish in RobotsPortable 12V Air Conditioner --Cheap and Easy!by CameronSS in EnergyHigh Speed Photographyby geo bruce in PhotographyArduino-Controlled Robotic Drumby randofo in ArduinoAutomated Plant Watering Systemby rbates4 in MicrocontrollersEnvironmental Alert Systemby Aleator777 in SensorsElectromagnet Superhero Gloveby SelkeyMoonbeam in GadgetsHow to Build an LED Planetariumby mattthegamer463 in LEDs Generate Electricity Using Footwear-Charge Your Mobile(Piezo Generator)by kavish laxkar in ElectronicsSeeing Sound Waves: Bug-Sweeping Robots for Augmented Realityby SteveMann in ArtSpider Shaped Lampby fs woodworking in WoodworkingQi Green Lantern Chargerby BrittLiv in 3D PrintingAirscrew Driven RC Boatby ossum in Remote ControlXYZen Garden Kitby JON-A-TRON in KitsBluetooth Speaker Cnc-milledby Kims3DIY in SpeakersPocket Laser Engraver.by Groover in ToolsBluetooth Stereo System on a Pallet As a Themed Decorationby Kone Mei in PalletsVertical Hydroponic Farmby BLT Robotics in HydroponicsHow to Design a Skateboard Frame Using Scienceby medanilevin in ScienceSketch-Based CNCby pixelmaid in ArtPlywood Hot Wire Foam Cutterby Benne in ToolsArduino Laser Harpby yaroshka in Arduino PANDA- THE ULTIMATE CLEANING ROBOTby jake_lee_1105 in 3D PrintingUltimate Camping Bluetooth Speaker / LED Torch by tomanek007 in AudioFlone 3.0 Drone Quadcopterby aeracoop in RobotsLettuce for Life - Arduino 101 Based Automated Controller for Hydroponics, Aeroponics, Aquaponics, Etc. Intel Curieby evandromiami in ArduinoJolliCube (8x8x8 LED Cube) With MD_Cubo Libraryby jollifactory in ArduinoFlawless Geometric Designs Made With Tapeby Paula Diaz-Sylvester in ArtGoonQuad, an Emotive Quadrupedby antpgomes in Robots(Adjustable) Power Supply 650 Watts 54 Amps for Under $50by Nick5678 in ElectronicsSolar USB Charger for Smartphones (including an IPhone)by Bartletts Workshop in ElectronicsHow to Make a Bench Power Supplyby Open Green Energy in ElectronicsMarblevator Airby gzumwalt in 3D PrintingHexabot: Build a Heavy Duty Six-legged Robot!by rpantaleo in RobotsAll-Terrain Electric Scooterby ben_k in Electric VehiclesSelf Driveing Lawn Mower Remote Control Autonomous Lawn Mower Using RaspberryPiby MacmeDan in ElectronicsElectromagnetic Mjolnir (From Thor's Hammer Prank)by Conductak in ElectronicsBuild an Arduino-powered Talking Robot Head!by winterfresh in RobotsComplete Guide for Tech Beginnersby taifur in ElectronicsComponent Tester - Test Almost Anything !!by baweja_akshay in ElectronicsInternational Space Station Tracker/Pointerby practicalengineering in ElectronicsIntruder Alarm With Text Message Notificationby matthewh8 in ElectronicsGaming With Thoughts/Mindwaves (w/ Arduino)by Imetomi in ElectronicsArduino Bluetooth Tank With Custom Android Application (V1.0)by JackSoldano in ElectronicsThe Reclaimed Pallet Pensby -BALES- in WoodworkingDIY Electro-Magnetic Levitation!by DrewPaulDesigns in Electronics$100 Smart Mirror Piby Carl Gordon Media in ElectronicsAutomated Navigation Robot With Gas (MQ-2), Temperature & Humidity (DHT11) Sensorsby JackSoldano in ElectronicsHomemade Electronic Drum Kit With Arduino Mega2560by victorh88 in ArduinoThe Ultimate Guide to Dronesby Prowlr in ElectronicsHow To: Long Range FPV Quadcopterby RightShark in ElectronicsArt Deco Weather Forecast Displayby educ8s in ElectronicsThermo-electric Battery Chargerby Mynasru in ElectronicsIoT Smart Alarm Clock [Open Source Project]by fgebhart in ElectronicsLIGHT BOX - a Portable Bluetooth Speaker With Vu Meter by adhith94 in ElectronicsThe Layered Sheet Metal Snare Drumby -BALES- in WoodworkingThe Grow Machineby ashleyscarborough in ScienceJedi Force Gestures Based Home Automation (with Smartwatch)by Imetomi in ElectronicsScratch Build an RC Car With CAD and Rapid Prototypingby ossum in Remote ControlClassic Horseshoe Puzzleby seamster in PuzzlesHow to Build an Insanely Bright LED Flashlight!by HillTech in Electronics"Heart of Glass": Arduino-based Remote Bluetooth Heart Rate (HR) Displayby berlingozzo in ElectronicsDIY Modular & Transformable FPV Racing Quadcopter!by tahitianrider in Remote ControlQuadplane Hybrid Droneby jacques_eloff in Remote ControlSilver Cuttlefish Cast W/ Garnet Pendantby Noel3324 in Molds & CastingCardboard Quadcopter.by mr_fid in Remote ControlHomemade Chess Robotby RoboAvatar in RobotsMy MeArm Picking Up Thingsby FranciscoV44 in ArduinoLCD Display Via Bluetoothby callmeappytechie in ArduinoRecycled Milli-Volt Power Supplyby Patel Darshil in ElectronicsArduino 3D Printed Digital Thermometer With DHT-22 Sensorby Ardumotive_com in ArduinoRetro Bluetooth Boomboxby JON-A-TRON in 3D PrintingHow to DIY a Whack-a-Mole Game With Cardboard Boxby SunFounder Maker in ArduinoArduino Minimal Drum Kitby Ryo Kosaka in 3D PrintingCrab Controller & Crab Simulatorby John Choi in RobotsRoboFish Made From Pvc Water Pipeby eric dirgahayu in RobotsBrushless Gimbal Balancing Robotby 271828- in Robots3D Printed "Transformers" Robot - Spiderbotby Smudger_WTH in RobotsArduino Claw Machineby rbates4 in RobotsMultipurpose Mobile Manipulator Mk 1by John Choi in Robots3d Printed DIY Dremel-style Rotary Toolby Makernaut in ToolsBuild Your Own Underwater ROV From Scratchby hybryd- in RobotsFPV Virtual Reality Arduino Controlled Tracked Robotby Imetomi in RobotsUltimate Intelligent Fully Automatic Drone Robot (w/ RPi, Arduino) by Imetomi in RobotsAn Educational Fidget Spinner - Finally!by Paul-NussbaumE in 3D PrintingMake a Mold for Your Sculpt or 3D Print!by tysonvw in ToolsBenchtop Media Blasting Cabinetby VertDude in ToolsSolar Powered Trikeby dpearce1 in Electric VehiclesBattery Powered Hovercraftby EdventureChildrensMuseum in Electric VehiclesDesigning and Building Beautiful RC Airplaneby Jason9198 in Electric VehiclesEngineering a 3 Wheel Vehicle Chassisby MechEngineerMike in CarsCedar Strip Canoeby aguydoingstuff in WoodworkingMaking a Pen Out of Paperby kludge77 in WoodworkingHow to Make a Wood & Hammered Silver Ringby ZebranoWoodCraft in WoodworkingDIY Concrete Top Coffee Tableby fixthisbuildthat in WoodworkingMake a Pen Without a Latheby woodbywright in WoodworkingReclaimed Pintail Lath Long Boardby rybakwoodworking in WoodworkingBuild Your Own Inexpensive Solar Panelby thediylife in SolarPassive AMP for Smart Phoneby Wacky_WoodWorks in WoodworkingWooden Rocket With a See-Through Windowby vspencer in WoodworkingHardwood CNC Scrabble Boardby ssterman in WoodworkingMake a Bird Whistleby Amaries in WoodworkingMulti-Angle Magnetic Hand Saw Guide by Mikhandmaker. in WoodworkingMake a Massironi Shelfby Amaries in ShelvesSimple Cigar Box Ukuleleby chewbroccoli in WoodworkingStained Glass Doorby benjenky in Home ImprovementHandmade Wood Tape Measure by ClenseYourPallet in WoodworkingHow I Make Cool Metal Inlaysby Ninjosh in WoodworkingMake a Led Tron Desk and Led Tron Clockby cyprien35 in WoodworkingAutomatic Dog Feederby yoranPauw in Raspberry PiResin Wood Coffee Tableby imagellanic in WoodworkingThe 'Heart Way' Owl Totem Ringby CBGEMS in MetalworkingColour Pencil Lampby Highlandboxes. in LightingWalnut Cafe Chairby bearkat_wood in WoodworkingHow to Make an Electric Go Kartby austiwawa in Electric VehiclesCardboard Crane by Luigi Basa in CardboardFire Pit Coffee Table by dalegribble in FurnitureColored LED Lamp From Pallet Wood Blocksby Well Done Tips in LightingWood Flowersby StephanP1 in Woodworking3D Printed Latheby iccycold3000 in ToolsThe Pallet Bible: Finding, Inspecting, and Dismantling Palletsby schnurrbart in PalletsCustomizable Work Benchby allwinedesigns in WorkbenchesHow to Make a Bow Sanderby woodbywright in WoodworkingHand Cut Dovetails Fasterby woodbywright in WoodworkingPopsicle Stick Flip-Flopsby jlaake in FashionRetroPie - Overclocked Raspberry Pi 3 for Video Game Emulationby QuackMasterDan in Raspberry PiHow to Make a 3D Wood Veneer Comic Coverby laserhosen in ArtParametric Twisted Lampby Aaron Porterfield in ArtInteractive Origami Sculptureby watchmeflyy in ArtWood Burning 101 - Techniques and Tricksby mimaki cg60 in ArtBall Point Pen Artby NathanSellers in ArtSimple Sheetmetal Wall Art With an Olive Oil Finishby jringling in ArtBatik Silk Scarvesby bmcgeez in ArtPack Basketby zowi420 in ArtMetal Motorcycle Sculpture by SouthPaw Sculptures in ArtGlowing Dog Pedantby ptkrf in ArtHow to Make Decorative Lighting With a Coconut Shellby antoniraj in ArtBottles on My Mindby RosaMontesa in ArtMaking Beautiful Products From the Waste of a 3D-printerby IrisB21 in ArtStained Glass Windowby tody in Art3-Mirror Kaleidoscopeby Suki_ete in ArtGlow Platesby Chimera Dragonfang in ArtMicro Test Tube Dioramas (Smaller Than a Penny)by Modern Rustic Workshop in ArtUpcycled Puppetby Megan Kelly in ArtWood/resin Pendantby jmdushi in ArtWater Drops (Macro) Studioby Suki_ete in ArtA Beginner's Guide to Paper Cuttingby TheTatterdemalion in PaperSlipCastingby chanw612 in ClayHow to Make Clayby Plasmana in ClayMine and Work Your Own Clayby Dr. P in ClaySmoke Photographyby Caewou in ArtDIY T-shirt Screen Printingby dellinger in Fiber ArtsCast or Pattern Anything With Duct Tapeby ashleyjlong in Duct TapeHow to Weave Wireby Rhonda Chase Design in JewelryStained Glass Recreation in Paperby mchau2 in PaperDo You Want to Build a Snowflake?by Sriranjini Sridhar in PaperInfinity Mirror UV String Artby Nairod785 in ArtDIY Social Media Photo Propby Not_Tasha in Parties & WeddingsRC Car to Robotby randofo in Robots2-Wheel Self Balancing Robot by Using Arduino and MPU6050by Ufactory in RobotsStar Track - Arduino Powered Star Pointer and Trackerby gocivici in ArduinoPringle Can MIDI Drumsby TheSpodShed in ArduinoArduino Segwayby stoppi71 in ArduinoArduino Data Glasses for My Multimeter by awall99 in ArduinoLocation and Food Clockby SmrutiA in ArduinoHidden Silhouette Lampby JON-A-TRON in LightingUSB Volume Knobby Trochilidesign in ArduinoTweet Your Shoes to Change Colourby DrLucyRogers in ArduinoQUATTRO - the Arduino Quadruped Robotby Technovation in ArduinoHow to Desalinate Seawaterby F4916 in SurvivalCircle of Fifths MIDI Deviceby allwinedesigns in ArduinoMusic Reactive Desk Lampby Nerdforge in ArduinoHigh-Speed Droplet Photography With an Arduinoby Bryan Rolfe in ArduinoGROWMAT EASY - Automated Control System for Hydroponic Plants Growingby bcsedlon in ArduinoThe Soda Locker - Vending Machineby Mistablik in ArduinoArduino Controlled Versatile Timer/controllerby Amardes in ArduinoRetro Pac-Man Clockby TechKiwiGadgets in ArduinoBeautiful Arduino Binary Clockby gpensky in ArduinoSuper Simple Beginners Robot!by BIGBUG in RobotsHow to Build the One Motor Walker!by robomaniac in RobotsHydraulic Robot Made of Cardboard and Scotch Duct Tape.by Nelson_Yepez in RobotsRobotic Arm Controlled by NES Gamepadby brunoip in RobotsMake a Voice Controlled Robotby societyofrobots in RobotsTree Climbing Robotby ben_k in RobotsGiant Computer-Controlled Robotic Arm Made of Old Cardboard Boxesby CBRobot in RobotsSimple Bots: Inchwormby randofo in RobotsPlay Fetch With Your Dog From Your Phoneby bigchewypretzels in 3D PrintingSimple Bots: Walkerby randofo in RobotsFenrir: an Open Source Dog Robot by HuskyRobo in Robots3DOF Ball on Plate Using Closed Loop Stepper Motorsby 271828- in RobotsTito - Arduino UNO 3d Printed Robotby cparrapa in RobotsOpen Source 3D Printed Water Filterby makerboat in 3D Printing3D Printed Self-Watering Planterby JON-A-TRON in 3D Printing3D Print Your Trek, in Color!by drhatch in 3D PrintingGiant Dial Lampby JON-A-TRON in 3D PrintingPost-Processing 3D Printed Objectsby tikul in 3D PrintingFlexible 3D Printingby LukasL9 in 3D PrintingZoetrope Fidget Spinnerby JON-A-TRON in 3D Printing3D Laser Cut Lampby JON-A-TRON in LasersDremel Chop Sawby HTMF Metal Pizza in Laser CuttingPortable Hot Tubby JON-A-TRON in Laser CuttingLaser Cutting Basicsby printeraction in Laser CuttingCardboard Desk Lampby PenfoldPlant in Laser CuttingScheveningen Lighthouse Lamp (Laser-Cut Scale Modeling)by vzoutenbier in Laser CuttingDIY Heng Lampby JustAddSharks in Laser CuttingThe MicroSlice V1 | a Tiny Arduino Laser Cutterby SilverJimny in Laser CuttingSuper Flexible Double Curvature Surface - Laser Cut Plywoodby kofaktorlab in Laser CuttingMake a Pinhole Box Camera That Uses Standard Spool Filmby huffee in Laser CuttingLaser Cut Cryptex - Puzzle Boxby Da3da1u5 in Laser CuttingLaser Cut Pivoting Boxby Da3da1u5 in Laser CuttingMage Dice Tower: Lasercut and 3D Printedby scottbr08 in Laser CuttingIGreenhouse - Intelligent Greenhouseby Caitlin Geldof in Raspberry PiWooden Gear Trainsby watchmeflyy in Laser CuttingSolar Powered Disco Bike Trailerby audreyobscura in BikesSimple Welded Steel Stoolsby audreyobscura in MetalworkingSimple Welding Cartby seamster in ToolsHow to Weld - MIG Weldingby noahw in MetalworkingIndestructible Binderby Kaiven in MetalworkingMini Metal Latheby Random_Canadian in MetalworkingGlow in the Dark Keyringby jonnyd55 in MetalworkingHow to Make a Steel Vase - Step by Stepby cammers in MetalworkingHow to Make a Soup Can Forgeby NightHawkInLight in MetalworkingHomemade Electric Kilnby Wolfgar77 in MetalworkingHow to Forge a Bottle Openerby macgyver603 in MetalworkingHow to Make a Cool and Compact Fire Pit From Half a Sheet of Steelby cammers in MetalworkingMake a Grappling Hookby M3G in MetalworkingHow to Design and Build a Go Kart.by liquidhandwash in MetalworkingDIY Copper Cup From 3/4" Pipeby mikeandlauren in MetalworkingCompact Grappling Hook by Mrballeng in MetalworkingHow to Make the Mini Metal Foundry by The King of Random in MetalworkingGolden Dollar Ringby Enriquethefieldmouse in MetalworkingThe Tin Can Roseby CJStephens in MetalworkingA Ring From Scratchby sw.machinist in MetalworkingHow to Colour Steel With HEATby chocolatebrownies in MetalworkingThe Utlimate Mini Mobile Metalshopby dorkpunch in MetalworkingHobo Nickelby jeanluc83 in MetalworkingMaking 1000 Nails - Colonial Blacksmithingby jkimball in MetalworkingChainmail Armor Tutorialby TimZ2 in MetalworkingSuspension Stools From Scrap Steelby Dr.Duckhunt in MetalworkingHigh Tech - Low Buck Digital Torque Meterby arduinoversusevil in MetalworkingMake a Spit for Roasting Whole Pigsby cammers in MetalworkingHow to Make a Huge Fabulous Mega Anvilby Maximillian The Ruthless in MetalworkingPaint Can Forgeby Boddeeen in MetalworkingCord Keeping CRABby Mrballeng in MetalworkingHow to Make a Death Star Mailboxby cammers in MetalworkingTheater Cubeby Mrballeng in MetalworkingMini Grill From Propane Tank Recycled / Mini Parrilla De Un Tanque De Propano Recicladoby ZombieWorkshop in MetalworkingCamp Fire Skewers for SMORES CONES!by stevemoseley in MetalworkingBed to Bench - Metal Versionby stoneandsonsworkshop in MetalworkingToy Steam Shovelby Phil B in MetalworkingAluminum Branding Ironby zjnolan in MetalworkingMedieval Crusader Great Helmby Scenic Sauthoff in MetalworkingBlacksmithing Forgeby Black Beard Projects in MetalworkingExtreme Scissor Lift Shoesby Make it Extreme in MetalworkingEasy Doorbell From Scrap Steelby cammers in MetalworkingIndustrial Style Wall Sconcesby ZH Fabrications in Metalworking3D Print a Mini USB Vacuum Cleanerby loboat in 3D Printing3d Printed Medical Vein Finderby AlexS154 in 3D PrintingDICE - a Tiny, Rigid and Superfast 3D-printerby purehektik in 3D PrintingModular Robotic Hand & Arm (With Extended Range of Motion) (3D Printed)by Baybren in 3D PrintingDesign. Test. Print. Build. an Aerodynamic RC Plane (Tutorial)by gocivici in 3D PrintingHealthy, Smart & Natural Air Cleaner With Arduino, WIFI and Blynkby jeanotP1314 in 3D PrintingDIY 3D Printed Headphonesby ShannonL32 in 3D PrintingIoT Pet Feederby Ntrobotics in 3D PrintingE-drum With Small 3D Printer and Thick Paperby Ryo Kosaka in 3D PrintingA Practical Guide to FDM 3D Printing Gearsby MechEngineerMike in 3D PrintingHow to 3D Model for Fashion Designby linawassong in 3D Printing3D-Printed Electric Longboardby YL5 in 3D Printing3D Printed Digital Night Vision (The OpenScope)by MattGyver92 in 3D Printing3D Printed Bionic Hand Skeletonby HendoJ in 3D PrintingDIY Vacuum Robot by CesNieto in Robots8 Planet Motorized Orrery - 3D Printedby Widgetwizard in 3D PrintingTHERMOFORMER / VACUUM FORMER / PATTERNMAKERby DajoM in ToolsCNC Made From Garbageby Call Me Swal in CNCMessenger Bag With Automatic Interior Lightning by sun. in WearablesThe Pi Tabletby Kirand1 in Raspberry PiData Clock (Cloud + Amazon Echo + LED's = Artistic Data!)by jwolin in ArduinoHow to Build a Medium Sized Biogas Plantby antoniraj in EducationHow a Prosthetic Leg Is Made!by Pat_Maroney in EducationMAKE a SPRING-ACTION MORTAR WITH ADJUSTABLE HEIGHT (using a Plastic Beer Jar and Discarded Stuff)by M.C. Langer in EducationCook Your Own Microbial Growth Platesby EhBmicrobio in EducationQuiz Show Buzzer System Using Staples Easy Buttonby Meeker46 in EducationARDUINO MPPT SOLAR CHARGE CONTROLLER (Version-3.0)by Open Green Energy in ArduinoWhat's the Cost to Cook a Hot Dog?by gizmologist in ScienceRobotic Arm Trifecta (Science Olympiad)by WOSO in ArduinoArduino PCR (thermal Cycler) for Under $85by staceyk in ScienceArduino Weather Station (AWS)by AdrieSentosa in ArduinoGel Electrophoresis Integrated System (GelIS)by Tequals0 in ScienceArduino Powered Autonomous Vehicleby CPARKTX in ArduinoWeather Forecast Cloudby keebie81 in Raspberry PiPond / Watergarden Scienceby Bitsi in GardeningBuild a Lab Quality (ish) Distillation Apparatus.by laserjocky in ScienceHow to Convert Water Into Fuel by Building a DIY Oxyhydrogen Generatorby The King of Random in ScienceExperimenting With Mushrooms!by jmckenzie13 in ScienceIntel Galileo Weather-Stationby konnykonny50 in ArduinoLED Weather Forecastby AughtNaughtZero in Raspberry PiTweeting Weather Stationby Jonathanrjpereira in ElectronicsMiniature Weather Station - ESP8266by sjowett in ArduinoRaspberry Pi Solar Weather Stationby PiJuice in Raspberry PiSolar Powered WiFi Weather Station by Open Green Energy in ArduinoMath Bloxby bfruin in 3D PrintingRaspberry Pi - GPIOs, Graphical Interface, Pyhton, Math, and Electronics.by Robson Couto in Raspberry PiFarmCorder - Crop Nutrition Deficiency Sensorby ksmanoj95 in ScienceGreen Solar Powered Water Barrel Version 2by damoelld in HomesteadingElectrocardiograph & Heart Rate Monitorby birdyberth in ScienceOff-grid Personal Refrigeratorby goldmans in ReuseThe Flying Gyro Stabilized VTOL Cardboard Boxby Pib2 in ReuseThe Aperture Science Sentry Turret With an Arduinoby stevengioiosa in ArduinoUltimate Hamster Tracker Wheel – Featuring: Mbed C++, LCD Display, Laser Cutter by BlooLake in ElectronicsInteractive Jacket for Cyclistsby mujtabachang in WearablesScanning Laser Microscope With Arduinoby stoppi71 in ArduinoTwitch - Your Robotic Petby drum303 in ArduinoBuild Your Own Development Boardby Karlstrom in MicrocontrollersThe Ultimate High Altitude Weather Balloon Data Logger by AaronPrice in ArduinoIoT Pet Monitor!by jenfoxbot in Microcontrollers3D Printable USB Air Purifier / Fumes Extractorby Pikitote in ToolsIoT Made Simple: Home Weather Station With NodeMCU and OLEDby mjrovai in WirelessDual Mode Windup Carby gzumwalt in 3D PrintingArduino Parking Assistantby addictedToArduino in ArduinoArduino Mood Gauge With Clockby MrJonesEducation in ArduinoDIY Art Deco Analog Thermometer Using Arduinoby educ8s in ArduinoCommute Travel Time LED Indicatorby brett_builds in ArduinoFast, Portable and Affordable Oscilloscope and Inductance Meterby Vitorbnc in MicrocontrollersFingerprint Lock - Unbreakable Garage Door (Electronic and Mechanic System)by Joebarteam in ArduinoArduino Self-Balancing Robotby midhun_s in RobotsHow to Build a Telepresence Robotby randofo in RobotsEmergency USB Solar Wall Socket: Solar Socketby Solarcycle in SolarSolar Shrubby mikesoniat in SolarSolar Planeby jeffmazter406 in SolarSimple and Cheap Air Cooler With Computer Fans by Phoenix Tech in ReuseEnjoy a Nice Cup of Kite Powered Teaby rread in ReuseWind Controlled Music Boxby REchargeLabs in ReuseSolar Fountain Kitby REchargeLabs in ReuseSinusoidal Wave Makerby Creationaries in ReuseEasy, Economical, Ecological Distillationby Supernerd Sven in ScienceSlide Rule Using Common and Natural Log Scalesby ATomId in ToolsPlywood Math Machine by nopvelthuizen in SteampunkHow to Teach Math Using Tinkercad and Fusion 360by Tinkercad for Education in 3D PrintingPlay With Math: Make Animated GIF and HTML5by laxap in ScienceHow to Convert Between Base-10, Hexadecimal, and Binaryby nevdull in ScienceTake Cube Roots of 6-Digit Numbers Mentallyby purduecer in ScienceSquare 2+ Digit Numbers Mentallyby purduecer in ScienceMake Your Own Silverby Chitlange Sahas in MetalworkingPeanut Brittle Chemistry Labby scoochmaroo in CandyMagnetic Tractor Beamby Magnetic Games in ToysHow to Make a Small Wind Generator (In Celebration of Earth Day!)by out-of-the-box in ElectronicsWiFi Weather Display With ESP8266by bekathwia in ArduinoStorm Glass - the Weather Forecasting Lamp That Simulates Real Weather Conditions!by The Modern Inventor in Raspberry PiLego Compatible Weather Trackerby LunchboxElectronics in ArduinoMy First Hydroponic Plant (Beginner's Guide)by ASCAS in HydroponicsHow to Grow “Hello World” With GFP Bacteria by nuritbarshai in ScienceHow to Catch Micro-organisms!by jluo2 in ScienceCreating a Bacterial Culture With Proper Sterile Techniqueby JoshuAc00k in ScienceExplore Your Genome!by zymurgeneticist in ScienceEAL - Arduino Hovercraftby ProjektHover in ArduinoModular Automataby thexadow in 3D PrintingThe Double Helix -a DNA Model With Lightsby ChrysN in ScienceUsing a Smartphone for Low Level Science Field Workby Ammelanoleuca in ScienceLevitation of Homopolar Motorby Magnetic Games in ScienceMulti Magnetic Levitationby Magnetic Games in ScienceMagnetic Field Viewer by Magnetic Games in ScienceMagnetic Motorby Magnetic Games in ToysFastest Homopolar Motorby Magnetic Games in ToysSMOT Magnetic Acceleratorby Magnetic Games in ToysMagnetic Gateby Magnetic Games in ToysOobleck: the Dr. Seuss Science Experimentby fungus amungus in ScienceCheese Making - Hard Cheesesby target022 in Snacks & Appetizers5 Minute DNA Extraction in a Shot Glassby macowell in ScienceHomemade Harmonograph!by The Oakland Toy Lab in EducationCable Tie Truss Bridgesby LanceMakes in EducationHow Many Grapes Equals a Dozen Peaches?by samsmyth in EducationMaking Color Mash-Upsby The Oakland Toy Lab in EducationMAKE a SPACE PROBEby rokcapuder in EducationHydropower From Reuseby masynmachien in EducationSalt Water Density Experimentby jmiksanek in EducationBubble Window!by The Oakland Toy Lab in EducationHuman Arm Modelby CitizenScientist in Education16 Foot Tall Tensegrity Ballby alejandroerickson in EducationResearching a Research Paper Quickly and Effectivelyby AngryRedhead in EducationStart an Element Collection - How to Find Samples in Everyday Placesby hulkbuild in EducationHow to Plan and Carry Out a Project or Assignmentby Kiteman in EducationGame-opoly: Designing & Building Your Own Board Gameby Mr. Noack in EducationConstructing an Understanding of Electric Circuitsby CitizenScientist in EducationDecimal to Fractionby Jack A Lopez in EducationMarble Roller Coasterby LanceMakes in EducationBalancing Bottle Trees!by The Oakland Toy Lab in EducationSketching & Drawing Lessonsby ianbates1 in EducationWhat Is Life Like in the Vacuum of Space? by Intrepid Museum in EducationDesign and Prototyping of the Skelequill Start to Finishby beewhitlock in EducationTravel to Your Antipodal: the Opposite Side of the Worldby icecats in EducationInfinite Worlds Viewer! by The Oakland Toy Lab in EducationWood Arch Blocks in 5 Minutes! by The Oakland Toy Lab in EducationLearning About Motion With Light Paintingby The Oakland Toy Lab in EducationPenny Barge Activityby kinetike in EducationHave an instructable you think should be included in this collection?SubmitSuccess!