How machines work

zoo break!

"Sloth and Sengi are friends. They have grown up together in the zoo, and know every bit of their enclosure. And, frankly, they are a little bored with it. So they begin to plan an escape, with the help of some simple machines... This book introduces such simple machines as levers, gears, planes, and pulleys."--OCLC.

DK/Penguin Random House
2015
9781465440129
book

Holdings

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82876745626202326504652694770PIMC385PIMC351544621.8 MAC621.815798937721736518457
89114946167732294504652694770BRCR112BRPR0074558REF 621.8 MAC621.815798937721736518457
162335352429842356504652694770WIIR501WIIR044335621.8 MAC621.815814652241736518457