DIY LiPo Charge/Protect/5V Boost Circuit
DIY EEG (and ECG) Circuit
A complete guide on how to safe crack :) From nothing, to everything!
Door Handle/knob Stash
How To Cast a Face in Plaster
Collecting Hydrogen and Oxygen
4-minute Chocolate Mousse
Secret Knock Detecting Door Lock
Give Yourself a Woody (Build a Home Climbing Wall)
Mechanical Pencil Gun
Gummi Shot Glasses
DIY High-Speed Book Scanner from Trash and Cheap Cameras
FREE Hidden Electricity!
How to Make a Synthetic Diamond
NERF Sniper Pistol!
Awesome led cube
World's Cheapest Rubber-Band Launcher!
30 practical uses for a rubber band
How to make a rubber band powered plane (ornithopter)
how to make a awesome safe zipline
The Serial Number Trick
Pocket-Sized Spray Paint
a VERY easy to do VERY convincing scar!
How to make smoke come from your mouth without smoking!
5 minute DNA Extraction in a Shot Glass
Duct Tape Wallets
Make your own secret code
Office Supplies Challenge - Liquid Fuel Rocket
Be a Scientist: Bottle Electricity.
How to Painlessly Pierce your Septum.
Not enough batteries hack
Improvised Gas Mask
How to Pan For Gold
Office Booby trap
Pocket Graffiti Pen
Self balancing one wheeled electric skateboard
Laser cutter, start slicing stuff for under 50 dollars
Laser wood burning pen
How to make an Iron Man Arc Reactor
MIB Halloween costume
Iron Man Helmet
Make an awesome Harry Potter wand from a sheet of paper and glue gun glue