chain reaction
grabcad
An RC car will initiate a domino effect, toppling a bouncy ball that rolls towards a button. This activates a fan spinning a turbine, powering a battery. The battery illuminates a flashlight connected to a solar panel, triggering an electrical seesaw. As the see-saw moves, an electric mouse races down a tube and pushes another seesaw. This causes a bowling ball to roll down a ramp.
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