描述
20 Amazing Electronic Project to do at home with your kids. No tools required, just your brain and a 9 volt battery(not included). BUILD YOUR OWN: STRENGTH TESTER - BURGLAR ALARM - MUSICAL INSTRUMENT - FLASHING SIREN ----- AND MANY MORE PROJECTS!
書籍詳情
格式
平裝書
頁數
40 頁
語言
英語
已出版
Jan 1, 2004
出版商
Scholastic Inc.
ISBN-10
0439565510
ISBN-13
9780439565516