An amazing flap book packed with inventions, machines, gadgets and devices, and facts and information about how they work. Over 90 flaps reveal the insides of car engines, toilets, escalators, submarines and microwaves and many, many other machines. Includes internet links to websites with animations, games and experiments. Chapters in this book include:- Simple machines- Movers and shakers- Getting going- Making music- Waterworks- Floating and flying- Everyday inventions- Up, down and around- Bits & pieces