1. 1 Hand-Held Power Generator Problem: More than 3 billion single-use batteries go to waste in the US alone each year. Challenge: Can you design a solution that enables an individual to generate enough energy to power a handheld computer or radio or other devices used on a daily basis?

2. 2 3-D Model of Bull-Roarer

3. 3 Can you envision solutions to overcome barriers to literacy in places where classrooms lack electricity and where books are in short supply and expensive? Can you design a solution that enables an individual to generate enough energy to power a handheld computer or radio or other devices used on a daily basis?