Powered by two AAA batteries inside, this locomotive can be controlled byswitching between forward and reverse gear on the top of the engine. There isalso a magnetic joint on the rear of the engine to attach other carriages topull along. The base is made of zinc alloy, contributing to its stability.A protective, clutching gear linkage protects the engine if kids try to push italong the floor. It is great for encouraging imagination, role play anddeveloping fine motor skills as well as focus.