为了让我们的环境更洁净,毛刷一直默默辛苦工作。春节将至,让我们给毛刷来个神奇变身,让它变成会动的毛刷小车吧。一、所需材料普通毛刷(不带柄)、小马达、废旧圆珠笔芯、电池盒、泡沫胶、502,其他装饰材料。二、制作步骤1.将废弃的圆珠笔的笔芯取出,剪下约3厘米长,弯曲之后套进小马达前端的旋转轴上(如图1所示的小马达的前端)。 In order to make our environment cleaner, the brush has been quietly hard work. Spring Festival is approaching, let us brush to a magical transformation, let it become a moving brush car it. First, the required material ordinary brush (without handle), small motor, discarded ballpoint pen, battery box, foam plastic, 502, other decorative materials. Second, the production steps 1. The discarded ballpoint pen removed, cut about 3 cm long, bent into the front of the small motor rotation axis (as shown in Figure 1, the front of the small motor).