演示轨道小车与《J0207多频率电火花计时器》配合使用，可以完成中学物理教学大纲要求的运动力学中的大部分实验。由运动轨道、小车、滑轮、小桶、调整螺钉、墨粉纸带、白纸带、纸带压块（磁块）等组成。
J2155 Track Demo Car
Demonstration car and the track "J0207 multi-frequency timer spark" are used in conjunction, can be completed secondary school physics curriculum requirements of the mechanical movement of most of the experiments. Movement from the track, cars, wheels, kegs, the adjustment screw, toner paper tape, with a white, paper tape Press (magnetic pieces), and other components.