Make a small wind turbine that kids can help build
Learn about the engineering design process and electrical circuits by building a dance pad that sounds a buzzer or flashes a light when stepped on.
eGFI – For Teachers » Lesson: Dance Pad Mania
Mechanical Engineering: Make a fast, two-wheeled car powered by a rubber band
DESIGN SQUAD NATION . Build | Rubber Band Car | PBS KIDS GO!
Squishy Circuits - How To
PVC Paper Rocket Launcher