Haktoys Upgraded Luminous LOCO Track Racer Glow in the Dark Roller Coaster Building Entertaining Playset, LED Lights on Bridge & Locomotive Train, Safe and Durable, Gift Fun Toy for Toddlers and Kids Have your children experience limitless building possibilities with this unique building system! The Luminous LOCO Racer Building Set comes with 75 pieces and endless combinations! Visual perception exercises to help color recognition and helps younger children develop cognitive skills and create imaginary scenarios for play and social skills. Made of non-toxic, safe and durable materials that are made in line with international health & safety standards. Set measures 29 x 20.5 x 12 inches when completed. Bridge plays music/sound when turned on. Requires 2 x 1.5V AA batteries (Not Included). Additional locomotives can be obtained at ASIN: B01MTVJDC2 (search in Amazon search bar)