1. Material: plastic 2. Difference: there are a total of four LED small lights before and after the No. 16 car, and a total of three LED small lights in the No. 72 car. 3. Features: bright colors, dazzling car with lights, super cool during the day and night. 4. Educational significance: better let the baby recognize the shape and color, improve the baby's hands and creativity. 5. Power supply: 1 x AA battery (not included)
