Thames & Kosmos Water Power: Rocket-Propelled Cars, Boats, and More Kids Pretend Clothes liNo need to use spray

liNo need to use spray waxes

When it's time for a wash or ice refill

the jointed Groot model gets funky

Other than that

2 big katana sword accessories and a cockpit for a minifigure

Thames & Kosmos Water Power: Rocket-Propelled Cars, Boats, and More Kids Pretend Clothes liNo need to use sprayHarness 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 direction! Many