describe:1. Educational toys - enhance cognition to help get started and cultivate children's awareness of colors, car and train models, plane and three-dimensional track models, three-dimensional structures, three-dimensional space and traffic rules.2. During the assembly process, the baby grasps various accessories, presses the accessories, and then assembles the accessories, which can exercise the baby's hands-on ability and hand-eye coordination.3. Parent-child games - parents can play with their children, which is a bond of communication with their children. This track toy racing car is definitely a great gift for your kids' birthday/Christmas/New Year.4. The classic train shape of the retro simulation model simulates the walking style of ancient steam trains and perfectly interprets the classics. Retro steam locomotive, European train style, close to classical style, fine workmanship and beautiful appearance. Requires 4 AA batteries, not included in package.5. Whats interesting is that by turning on the switch, the locomotive can drive on the track; when the train is running, the retro light on the front of the locomotive will light up, illuminating the direction of the train in the dark; when the train is running, the sound of a steam train can be simulated, allowing The childs true feelings.Specification:Name: Light Music Track TrainMaterial: plastic, electronic components, metalBatteries used: 4 "AA" 1.5V batteries (AA batteries)Suitable for ages 3 and upFunction: simulate train sound effects, lighting, electric locomotivePackage size: about 38.3*8*34 cm/15.08*3.15*13.39 inchesProduct size: motorcycle is about 21.5*7*10 cm/8.46*2.76*3.94 inchesFuel tank compartment: about 14*5.7*7cm/5.51*2.24*2.76 inchesCoal car: about 14.5*5.7*5.7 cm/5.71*2.24*2.24 inchesStand: about 16.5*6.8*5cm/6.50*2.68*1.97 inchesTrack: approx. 32*5 cm/12.60*1.97 inchesCombined track diameter: approx. 81 cm/31.89 inchespacking list:3* train8* track