Usborne Publishing Ltd

Lift-the-Flap Questions & Answers How Does it Work? - Katie Daynes

Lift-the-Flap Questions & Answers How Does it Work? - Katie Daynes This excellent addition to the ever popular Questions & Answers series lifts the flap on all kinds of gadgets, systems and ideas. It answers questions such as How does electricity get into our walls? Why do waves go up and down? and Where does money come from? Perfect for every inquisitive child.

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