Big Book of How Things Work
Publications International, Limited, Dec 1, 1992 - Children's questions and answers - 160 pages
From elevators to electricity, pinball machines to pianos, subway trains to skateboards, The Big Book of How Things Work is a beginner's guide to the world of inventions. Children enter this magical world via straightforward explanations and lively drawings. On their journey, they'll discover the inner workings of dozens of machines, devices, instruments and toys.
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Hotair balloon Magic tricks
Compass 7 Etch A Sketch drawing board
Pinball machine A 12 Skateboa rd xV
6 other sections not shown
antenna astronaut axle balloon battery blades bottom bumper bumper car cable camera changes circuit coaster color disk door drive electricity flows electromagnet electronic keyboard electrons energy film friction Frisbee Frisbie Pie Company fuel gear glass gravity groove gyroscope heat hole inside keeps keyboard kite lens lenses lets lever lift light liquid loop machine magician maglev magnet metal microwave microwave oven mirror molecules motor turns moves movie needle object oxygen pedals picture piston pitching machine plastic pole Pressing pressure pulley pulls pushes radio signals rays record retina rider ring rocket roller roller coaster runs scanner screen sends sheet shuttle side Sketch drawing slide solid-fuel rockets sound space speed spins sprocket steer stereophonic sound string switch tank tape teeth track tube type bar valve vibrate videocassette recorder walkie-talkie waves wheel wind wire yo-yo