Water Power Rocket-ropelled Cars, Boats t-dress-up you'll be ready for liftoff

you'll be ready for liftoff in an hour

Licensed from Porterfield's Fine Art Licensing

Sea-Monkeys food

Build a vertical three-fingered claw that can lift a cup up off the table keeping it level

"Sherlock Holmes" — The master detective faces a most bizarre affair and could use your assistance as he pursues his investigation

Water Power Rocket-ropelled Cars, Boats t-dress-up you'll be ready for liftoffThames & Kosmos Harness the power of air and water to make things move! Build water rocket cars, jet propelled boats, a water gun, and even a lawn sprinkler. Learn about the laws of physics and their applications in real world engineering. When you pump air into your rocket, you increase the air pressure inside. Then when you release the clamp, watch out the air and water mixture inside will shoot out, causing your rocket to zoom off in the opposite