小朋友,你家的废旧牙刷是怎么处理的?今天,我来教你用它做机器人,一起动手吧。材料手机振动马达、纽扣电池、双面胶、牙刷、刻刀。步骤1.用刻刀在牙刷上靠近牙刷头的位置划一道印,用力掰下牙刷头。(注意:这一步可以让家长帮助完成。)2.把双面胶贴在牙刷头的背面,再把手机振动马达粘在双面胶上。3.将纽扣电池平放着粘在双面胶上,记得把手机振动马达的一根导线压到纽扣电池下面。 Children, your home’s waste toothbrush is how to deal with? Today, I will teach you to use it as a robot, together with it. Materials mobile phone vibration motor, button batteries, double-sided adhesive, toothbrush, graver. Step 1. Use a knife on the toothbrush near the head of the brush to draw a line of printing, forced off the toothbrush head. (Note: This step can be done by parents.) 2. Put the double-sided tape on the back of the toothbrush head and stick the phone vibration motor on the double-sided tape. 3. The button battery flat sticking on the double-sided adhesive, remember to vibrate the phone a wire pressure button cell below.