Water Power Rocket-ropelled Cars, Boats t-dress-up "Sherlock Holmes" — The master

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

Don’t forget to pack supplies in the chest and strap it to the sleigh before venturing out

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

Sea-Monkeys food

Imagine you’re a student at Alchema Academy and stayed late after class to review your spell book for tomorrow’s big test

Water Power Rocket-ropelled Cars, Boats t-dress-up "Sherlock Holmes" — The masterThames & 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