Build an aircraft that can collect air samples.
Create a stamp to reproduce a drawing from a meter away quickly and accurately.
Create a tube that can separate different objects based on how you you build the walls.
Make spheres that are all the same size.
Build a machine that distributes seeds precisely.
Build a circuit using conductive everyday objects
Engineer a robot that turns itself off when it leaves a safe area.
Create a network that classifies information
Build something that can sort data through multiple parallel channels