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Water Rocket with easy launching pad (simple!)
Water Bottle Rocket
Simple trash car
Solar Airplane Mobile
Hey! I have students that are wanting to build this car for a class project but are in need of directions and/or list of materials. We all would appreciate your feedback!
Jet Toy Car for Kids
Solar Powered Robot from TRASH!!!!
How to Make a 2 in 1 Toy Boat (Boat+Car) - Homemade Toy
Electric Bottle Car
magnetic silly putty
Solar School Bus
Motorized Toy Car
Friction Lighted Car
Easy Rubberband Car
Wind Up Plastic Bottle Submarine
Make your own springs in seconds
Wind-Up Tabletop Spinner
Solar Cockroach Virbobot
Hydro Power at Home
DIY: A Solar Powered Toy Train
How to Make A Small Spring Cannon
Small Water Rockets
A simple homopolar motor
How to make a robot
RC circuit for a Bibberbeest / vibrobot
Rubber-band Powered Butterfly
Wind powered toy car
my simple toy car
Road Runner toy that is really fun to make and use
How To Make a Water Rocket
Easy to build, easy to use, water bottle launcher!
Rocket Racers Activity
A Working, Old-Timey Stirling Engine - Hand tools only!
Overbalanced Wheel (Fake Perpetual Motion Machine for Fun)