Engine with amazing features and elegant appearance. Operates on a 12V battery that is charged with a charger included in the package. The product features a uniquely designed appearance, music effects, forward and reverse function. The motor has auxiliary wheels to ensure the safety of small bikers. The product has a pleasant musical melody. The product uses 4x1.5V AA batteries which are not included in the package. Product weight: 30 kg. Product speed: 3 ~ 5 km/h. Possibility to connect AUX cable and USB. Product dimensions: 110x76x36 cm.