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
Mechanically Inclined: Using Mechanics to Make Minimachines. Youve Got the Power: Using Air Power to Make Great Gadgets. Water, Water Everywhere: Using Water Power to Make Wonderful Inventions. Dont Be Shocked If Youre Attracted to These Activities: Us