How Things Work

Features inventions, machines, gadgets and devices, and facts and information about how they work. This flap book contains over 90 flaps which reveal the insides of car engines, toilets, escalators, submarines and microwaves and other machines. It includes internet links to websites with animations, [...]
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Features inventions, machines, gadgets and devices, and facts and information about how they work. This flap book contains over 90 flaps which reveal the insides of car engines, toilets, escalators, submarines and microwaves and other machines. It includes internet links to websites with animations, games and experiments.