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Design a set of mechanical genes that control the way something grows.
Build a wing that can support its own weight over a span of at least two feet. Inspired by Boeing’s Phantom Eye
Make a container (out of pasta) that can travel along a zipline and deliver a cargo (candy).
Build an open circuit that completes when the water level drops below a certain level and/or goes above a certain level.
Build a dinosaur at least 6" tall that can balance on two legs using counterbalances.
Build a crane that uses simple machines and mechanical advantage to move heavy objects.
Build a stomp rocket that can carry a ping pong ball and hit a target.
Engineer a sensor that can detect how much fuel is in your tank
Build a device that opens up when thrown in the air