NASA
Pop! Rocket Launcher
How do I build a launcher to launch paper rockets? A teacher reference provides directions in order to build a rocket launcher out of PVC pipe and a two-liter bottle. The plans also contain directions on how to use the launcher.
Michigan Reach Out
Nasa Trc: Liquid Bottle Rocket
This hands-on experiment has students launch a plastic pop bottle into "space!"
NASA
Nasa: Rockets Educator Guide: Pop! Rocket Launcher
This lesson allows students to construct a rocket launcher that can be used for several different types of rockets. This rocket launcher is propelled by students stomping on a two liter bottle to provide force.