一、制作材料:马达2只、齿轮4个、遥控装置一套、小导线、电源、开关、小轴棒(附带小齿轮)、泡沫塑料、小木棒若干条、纸张、小铁片、小彩笔等。二、制作方法:1.把泡沫塑料制成船的模型(如图A)。船上留好装船舵和齿轮的小孔。做好装小马达的两个空箱子,(附有可动盖板),挖好放电 First, the production of materials: 2 motors, 4 gears, a set of remote control devices, small wires, power, switches, small shaft rod (with pinion), foam plastic, a number of small wooden sticks, paper, small iron pieces, small color Pen and so on. Second, the production method: 1. The foam made of a ship model (Figure A). Keep a small hole in the ship’s rudder and gear on board. Do two empty boxes with small motors (with movable cover) and dig out the discharge