Let's Build an Invention 在线电子书 图书标签:
发表于2024-12-30
Let's Build an Invention 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024
Book Description
Let's Build an Invention - A Step-by-Step Guide
A young scientist's guide to inventing amazing machines, from battery-powered stock cars and a colorful zoetrope to weather station instruments and a fan.
* Easy-to-follow instructions for making projects with everyday materials
* Safe but exciting inventions require minimal adult help
Book Dimension
length: (cm)31.5 width:(cm)23.8
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Let's Build an Invention 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024