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怎样制作一辆小赛车的材料与步骤
更新时间: 2020-10-05 00:00:00  

一、制作小赛车所需要的材料:废旧四驱车、橡皮筋、牙签、金属块。

二、小赛车的制作步骤如下:

1、拆掉废旧四驱车的马达和车壳,将其还原为一架简单的四轮车架;

2、将一条橡皮筋缠绕在后轮轴中间,再将橡皮筋的另一端系在一截牙签上,拉长放在车子的前轮轴上;

3、向后拉动小车,后轮轴转动起来,将橡皮筋在后轮轴上再绕几圈;

4、为防止小车过轻,在小车的车架上绑一块小金属,小赛车即制作完成。

关键词: 怎样 制作 赛车 材料 步骤

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