演示軌道小車與《J0207多頻率電火花計時器》配合使用，可以完成中學物理教學大綱要求的運動力學中的大部分實驗。由運動軌道、小車、滑輪、小桶、調整螺釘、墨粉紙帶、白紙帶、紙帶壓塊（磁塊）等組成。
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.