How does it actually work?

This book is filled with inventions, machines, gadgets, and devices. Over 90 flaps reveal the inner workings of car engines, toilets, escalators, submarines, microwaves, and much more, explaining in a child-friendly way how the world works!

• Inventions, machines, gadgets, and devices, along with facts about how they function
• Detailed graphics illustrate how machine parts fit together and how devices operate
• More than 90 flaps and double flaps: the insides of car engines, toilets, escalators, submarines, microwaves, and much more.