This book is suitable for ages 7 to 8 years. Pulleys help make up some of the most complicated machinery, from car engines to cranes. You can see how pulleys lift and move heavy things, how pulleys work together, and the different kinds of pulleys. Kids get to use their own pulleys in the fun with pulleys section.
發表於2024-12-28
Get to Know Pulleys 2024 pdf epub mobi 電子書 下載
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Get to Know Pulleys 2024 pdf epub mobi 電子書 下載