125 Cool Inventions: Supersmart Machines and Wacky Gadgets You Never Knew You Wanted!

Descripción

The future is now! Super smart toilets, sweet dream machines, bread buttering toasters, and flying hotels -- this fun and informative book gives curious kids the inside scoop on 125 amazing real inventions. It's sure to get gadget gurus, techies, and computer geeks thinking about the world of...