1 Ergebnis.

Blast off into the wacky world of gadgets! Have you ever wondered what makes airplanes fly, how boats float, or why your doorbell works? * Would you like to build your own flying, floating, diving, spinning, howling, scooting objects? * Are you looking for a terrific science project that moves? If you answered "Yes!" to any of these questions, then Rocket Science is for you. It shows you the science behind how things work by teaching you how ...