用纸壳DIY迷你空气冷却器！

Turn simple cardboard into a handy mini air cooler! 

只用废纸箱就能做一个迷你小空调！

With easy steps and cheap materials, you can make a small, portable cooling fan at home.

步骤简单、材料便宜，在家就能动手做出便携小冷风机。 

A great DIY project for kids and adults alike!

大人小孩都能玩的趣味手工，清凉一夏！