Geared-Up Gadgets by Thames & Kosmos

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Build five fun gadgets and learn about gears and transmissions!

A 24-page manual guides your model building and experiments with step-by-step illustrated instructions. Includes 114 pieces.

Age 6 & up

  • 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.


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