All-aboard! Preschoolers use a kid-safe power drill to construct – then conduct! – this STEM-powered train, complete with lights and sounds! Connect the cars, then use the colorful bolts to customize them. Send the train rolling to see it in action, then unassembled and start again.Details:Supports STEM learning with a basic introduction to early engineering and math skills and develops fine motor skillsRequires 3 AAA batteries (not included)Recommended for ages 3 and up