The previous week. I'm looking for information on the Smithsonain Rocket Science Kit (Smithsonian Rocket Science Kit) 52276, so i would like to describe here.
This official Smithsonian rocket science kit teaches children how to build and launch a rocket. Powered by baking soda and vinegar (not included) you can use it over and over and it soars up to 50 feet making it a blast for kids and their families.. Check Price