Children Bumper Boat 1.Weight: 17.5 kg (without battery) 2 ... the weight of its role, oval tire provides stable boat, a propeller diameter of 6.5 cm in water ... , security stability, easy operation, easy maintenance, low cost, fast, etc., can be recovered in a short time of the ... process with cold, heat, anti-tearing function, equipped with fast inflatable mouth(3) Motor: 12 volt DC permanent magnet ...