The Rocket Launcher: This is a real cool, easy to make indoor rocket launcher and rocket set that works similar to the old "Nerf Rocket".

Easy to Build Kite: This kite is made with an 8.5 x 11 sheet of paper, a bamboo skewer and a garbage bag AND WORKS GREAT!!!

How to Build Your Own Roller Coaster: Okay, you can't get in it and go for a ride, but it is a real cool model of a roller coaster, and all of the same physics apply.

Stomp Rocket: This is step by step instructions (PowerPoint) on how to build a stomp rocket. What is a stomp rocket? It is a paper rocket that is launched from a PVC and 2 liter bottle launcher that can go up to 45m!!! ....Can you make it go farther? How to make the launcher. I got this idea from the exploratorium in San Francisco, Click here for the original exploratorium site.