Multiple FunctionsCat Toys: This is the ball that cats like. Leakage function: cats can eat while playing. Owner-pet interaction: accompany the cat. Improve intelligence: Exercise the cats reflexes. Enhance physical strength: Exercise hand and footcoordination. Dual Trackball DesignEffectively concentrate the cats attention. Owners can take better care of their pets. The detachable dual trackball design is more interesting. Cats cant refuse the ball. Wear-resistantThickened material, safe and durable. The rounded appearance effectively reduces the friction with the ground, and also prevents pets from damaging the toy due to the habit of biting people. Adjustable food leak hole designDouble hole food leak hole design, you can choose double hole, single hole or closed food leak hole. It is safer to spill food slowly. Size: 100mm100mm135mm [Internal design of the maze] The internal damping column design of the maze allows each food to appear through multiple obstacles. Adjustable flaps allow the toy to fit more food sizes. Control the speed and difficulty of the food flow at the same time.