Notice 1 This product has a screwdriver and the battery needs to be brought up 2 The propeller is divided into positive and negative If the aircraft runs back it will change the wire formula of the motor 2 wire interchange positions Specifications Product Name Electric Biplane Taxiing AircraftProduct Color KhakiProduct Material WoodProduct Size 14 12 5 7 5cmProduct Weigth 60gFeature 1 Easy Assembly Simplified construction process suitable for children aged 6 12 promoting dexterity and problem solving skills 2 Quality Materials Made from high quality wood and safe components that ensure a safe and enjoyable building experience 3 Interactive Learning Parents and children can work together enhancing parent child bonding while learning fundamental science concepts Package included 1x Electric Biplane Taxiing Aircraft Model Assembly Package