Why do people invent? How do inventors know something will work? Can children invent? Featuring the popular Frequently Asked Questions (FAQ) format often used on the Internet, along with ingenious activities and fascinating facts, this book answers young readers' questions and provides all the inspiration they'll need to come up with some bright ideas of their own
評分
評分
評分
評分
本站所有內容均為互聯網搜索引擎提供的公開搜索信息,本站不存儲任何數據與內容,任何內容與數據均與本站無關,如有需要請聯繫相關搜索引擎包括但不限於百度,google,bing,sogou 等
© 2025 qciss.net All Rights Reserved. 小哈圖書下載中心 版权所有