KJ01 八大行星 Eight Planets

产品规格：80x60cm

KJ02 货物运输‍ Cargo Transportation

产品规格：80x60cm

利用磁性同性相斥，异性相吸的原理。通过安装在行星侧面的磁性能带动各大小行星转动。

using the principle of homopolar repulsion and heteropolar attraction of magnetism, planets are driven to move by magnets attached at the sides. 

利用四边形不稳定性的连杆升降机原理，通过转动手摇柄盘来实现货物运输。‍

making use of the connecting rod lift principle of quadrangle instability, cargo transportation is realized by rotating the hand crank. ‍

KJ03 采集石油 Oil Exploitation

产品规格：80x60cm

KJ04 快乐骑行‍ Happy Cycling

产品规格：80x60cm

连杆通过凸轮带动水泵活塞上下运动，将集水盒里的水抽出送到蓄水罐里，展示开采石油的原理。

the connecting rod drives the water piston to move up and down via the cam, extracts water from the collection pan and delivers to the water tank, thus showing the oil exploitation principle. 

‍通过机械传动和曲轴转动原理，模仿人的腿脚动作，在带动车轮运转的同时带动车轮上的灯光闪烁 。‍

through the mechanical transmission and crankshaft rotation principle, it imitates human legs and feet, drives the wheel and turns on light on the wheel.