Geared-Up Gadgets

Build five awesome gadgets and explore the world of gears and transmissions! Create a helicopter model with a rubber - band motor that makes the rotor spin. Assemble a wind - up spinner toy to launch a super - fast top. Construct a centripetal force machine that flings its arms at high speeds. Build a hand - mixer to see a gear train in action. Make a cool aircraft launcher that sends a model vehicle across the room on a zipline. A 28 - page manual with step - by - step illustrated instructions guides your building and experiments.

Using this gadget kit is easy! First, find a clean and spacious area to work. Open the box and take out the parts. Follow the 28 - page manual's step - by - step illustrated instructions to build each gadget one by one. When building the helicopter model, be careful when attaching the rubber - band motor. For the spinner toy, wind it up gently to avoid breaking it. The centripetal force machine can spin at high speeds, so keep your fingers away from the moving arms. When using the hand - mixer, don't over - turn it. And for the aircraft launcher, make sure the zipline is properly set up. After you're done using the gadgets, store them in a dry place. If any parts get dirty, you can gently wipe them with a dry cloth. Have fun building and experimenting!