图书标签: 儿童 Geek
发表于2024-11-26
Battery Science pdf epub mobi txt 电子书 下载 2024
Master the real science behind electricity and have a blast doing it. Includes a genuine Klutz alkaline battery, a buzzer, a propeller, a light bulb, a motor and other useful doodads – everything you need for all 8 projects. Toss in a little history, and you’ve got an activity book so good, it’s shocking.
评分
评分
评分
评分
Battery Science pdf epub mobi txt 电子书 下载 2024