Water Rocket: The combination of water, compressed air, and a plastic soda bottle serves as a great source of propulsion for a water rocket. Alternate way (without tape) to fix up those water bottle rockets. by elsa
Did you know if you draw on a lightbulb, that the design will cast on your wall at night. How adorable for a child's room -- Even let child design their own lightbulb and watch their art project on the wall!