Feature: 1. EQUIPPED WITH 6 LED LIGHTS: Tracks cars is equipped with 6 LED lights that kids will be attracted to and enjoy. 2. FITS MOST TRACKS: Light up cars is compatible with most racing track sets, including dinosaur toy tracks, rainbow tracks and more. 3. STIMULATE IMAGINATION: RC light up track cars can be played independently on any slippy place to stimulate your child's imagination. 4. THOUGHTFUL TIPS: Light up toy cars are best not to hit hard objects or hit wall during long term use, and not to fall from high places. 5. LIGHTWEIGHT DESIGN: Music light up cars are made of premium lightweight ABS materials. Emits bright colors in the day and night. Specification: Item Type: Tracks Cars Material: ABS Car Batteries: 3 x AAA Batteries (Shipped Without Batteries) Remote Control Batteries: 2 x AAA Batteries (Shipped Without Batteries) Remote Control Car Size: Approx. 9x5x5.5cm / 3.5x2.0x2.2in Remote Control Size: Approx. 11x5x3cm / 4.3x2.0x1.2in Function: There Are 6 LED Lights, Three Stage Switch Design Functions: Forward, Backward, Acceleration, Stop, Music, Horn, Flashing. Package List: 1 x Tracks Cars 1 x Remote Control Note: 1. Please allow some error due to manual measurement.2. The internal width of the track should be at least 2.2in.