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Amber wax / red liquid / erupting volcano decal on aluminum base and cap
Who is the inquisitive human that has read the volumes of display books
Help the chicken find her eggs with a tap
and made purchases from flea markets
Geared-Up Gadgets flowrs Amber wax / red liquidBuild five fun gadgets and learn about gears and transmissions. 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 28 page