图书标签:
发表于2024-12-26
Let's Build an Invention pdf epub mobi txt 电子书 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
评分
评分
评分
评分
Let's Build an Invention pdf epub mobi txt 电子书 下载 2024