Power Functions Kit for LEGO Mustang Shelby GT500 #42138

With low latency PF Motor Kit through mobile phone or operating handle Remote Control, high compatibility with LEGO Ford Mustang Shelby® GT500® #42138, smooth installation and texture. Our Power Functions Kit includes: Step-step modification instructions in PDF format provided. New generation motors Lithium battery Remote Control (supporting mobile phone APP control) Modification Accessories. Screwdriver bit, USB charging line, metal shaft (not required for all products) Note: It is recommended to refit simultaneously during build. Eco-friendly ABS plastic. A Bonus: two alloy shafts, which are rugged and more durable.