Features: [Light Glowing Effect]- As the plastic must be thin enough to have transparency for light glowing effect. Therefore, its not thick and strong enough for kids strong actions such as dropping the toy from high level above 1 meter, throwing the toy away, hitting the toy to harder object like wall/floor When playing, its also a chance to teach the kids to care and protect his/her lovely toys. [Easy to Use-Track Cars]- Each car can race on the most of tracks including Magic Tracks Neo Tracks provided that the inner width of the track (Distance between 2 inner edges of the track) is smaller than 5.5cm. [5 Flashing LED Lights]- Each Toy Car requires 2 AA battery (NOT included in the package) to power the engine and 5 bright LED lights. The brightness of these 5 lights will consume more battery than other car models with only 3 or 4 LED light. We suggest you to purchase the rechargeable battery to save battery cost for long-term usage. [Compatible With Most of Tracks]- Including dinosaur toys track,rainbow tracks and so on. runing around the curves, racing over the hilltop, rushing the tunnel. Imagine, what an exciting adventure it will make to your kid. Specifications: Material: ABS plastic Outer width of the wheel: 5.2cm, suitable for the track with the inner width of 5.5cm or more. Power Supply: Each car x 2*AA batteries (Not Included) Lights: Each car with 5-LED lights Package Included: 4pcs/Set Toy Car (Batteries are Not Included.) Note:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.2. Please allow 1-3cm measuring deviation due to manual measurement.( 1 inch = 2.54 cm )