Make a plane painting machine to draw a design on your airplane.
Build a wearable device that will detect when your body moves.
Make a machine that uses a fluid to move and can lift at least 10 pennies.
Make a satellite that can hold a cup of water and does not leak during a bumpy rocket launch.
Build a machine that makes sound waves by vibrating itself or the air around it.
Build a box that only you know how to open and is safe from hackers.
Build a system that controls the movement of material and shuts off automatically.
Build a helicopter that flies at least ten feet in the air and stays up for three seconds while carrying one penny.
Build a lightweight wing structure that is 12 inches long and can hold up a heavy load (weight) without deflecting.