Learn about gears and transmissions, Elastic Potential Energy
New Propeller design.
Realistic outer shell designs make the models come alive!
Build 5 fun gadgets and learn about gears and transmissions.
114 pieces components
5 models to build
Colorful Manual Included
Suitablle Age: 6 an dabove
● Create a helicopter model with a rotor that spins using a rubber band-powered motor. ● Assemble a spinner toy that you wind up to launch a fast-spinning top. ● Make a centripetal force machine that flings its arms outward at high speeds. ● Build a hand mixer that demonstrates a gear train. ● Construct a cool aircraft launcher that flings a model vehicle across the room on a zipline. A 32-page manual guides your model building and experiments with step-by-step illustrated instructions.
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