Preschoolers use a kid-safe power drill to construct this customizable train set, complete with lights and sounds. Supports STEM learning with an introduction to basic engineering and math. Builds construction and fine motor skills, plus encourages creativity and imagination while building confidence. Includes engine, hauling car, caboose, 25 bolts and a motorized, kid-friendly drill. Requires 3 AAA batteries, sold separately. For ages 3-6.