Build a fast, stable boat that can move through the water for at least 1 foot using a hand-powered propeller.
Engineer a catamaran that can carry 15 ounces of cargo without sinking.
Build a fast, stable boat that can move through the water for long distances on a zip line.
Design a tool that can lift objects from a water depth of at least 1 foot.
Build a device that can map out the shape of the ocean floor.
Build a sailboat that is powered by the wind.
Build a submarine that will dive down through the water and come back to the surface.
Build a boat that can hold as many pennies as possible.