One of the favorite exhibits at Discovery Days is the Bottle Rocket Launcher. Kids learn by building their own rocket nosecones and get a thrill out of the big noise and spectacle of the launch.

Why wait until the next Discovery Days? First check out the videos of launches during Discovery Days 2011 to know what to expect, then follow the instructions to build your own bottle rocket and launcher at home.

Huge launch at 90 psi	Lots of launches

Learn how to build your own bottle rocket and launcher on sciencetoymaker.org.