Pistol grip speed controller, controller with ergonomic design and precise speed control. 
Highly scale cars with bright & stable LED headlights and strong magnetic base, cars run smoothly and quietly because of high precision gear design and installation. 
Mechanical lap counter & Powerbase integrated as combo track , Short circuit protection assure toys safety. 
All tracks are mega tracks, wider and longer tracks compare to traditional 1/43 scale slot racing tracks. distance between cars are more wider and reasonable.