Build a Catapult--Instead of using pencils and popsicle sticks, how could you design the base of the catapult using TinkerCAD and 3D print it?
Animate a Book Cover--Select one of your favorite books and animate the cover so that we can put it on display in the library.
Pinball Machine--Create a pinball machine inspired by this design.
Rover--Create a moving rover using servos and other Hummingbird parts.