Mould King 10141 Aircraft engine Building Set, small engine building set model, aviation enthusiast building model, adult and children building set toy 2256 pieces 14+

Classic aircraft engine: Reproduce the power principle of the aircraft engine. Press the engine button in different directions, and the propeller can rotate clockwise and counterclockwise. Equipped with a motor: The building kit is equipped with a motor and a battery box. Turning the shaft bolt can adjust the speed of the fan wing. You can choose neutral, first gear, and second gear. Stimulate creativity: The aircraft engine assembly kit can bring hours of fun. The assembly process can expand your creativity, logical thinking, listen to the sound of the engine working, and observe the engine working. Assembly process: The building blocks are packed in a box and come with a colorful instruction manual. The steps are detailed and easy to understand. It is suitable for giving to your friends and children on their birthdays