Motor parts work fine. Complete. Explore endless possibilities with this Learning Resources Grinning Gears board game. With 118 magnetic and motorized stem gear building toys, this complete game allows you to build your own strategy and challenge your mind. The game title is perfect for those who love to learn and expand their knowledge in a fun and interactive way. The game is suitable for all ages and is an ideal addition to your board game collection. Get ready to experience hours of entertainment with this amazing game!