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!
书籍详情
格式
平装书
页数
40 页
语言
英语
已发布
1月 1, 2004
出版商
Scholastic Inc.
ISBN-10
0439565510
ISBN-13
9780439565516