This product is a very interesting cat toy, can provide more fun for the cat, but also can improve the IQ of the cat. There are 2 hollow toy balls and 1 toy ball inside the product (optional placement). Two catnip balls and a luminous ball are placed in the hollow ball, which can be combined at will for the cat to play with. The top of the toy is designed with high strength fiber teaser rod and teaser ball. Double track board, hollow toy ball, toy ball is for catnip, light ball will attract the attention of the cat respectively, increase the cat to play the interests, improve the cat's fun, also help the hair of the cat to get rid of the ball. Double-track double-hollow toy ball design can attract the attention of the cat to a greater extent, improve the cat's interest in play. The bottom of the toy is designed with a counterbalance so that no matter how the cat uses it, it won't tip over. With a little push, the cat can rock back and forth to attract more interest. This product is made of environmentally friendly and healthy ABS material, strong and durable, because this product will strongly attract the fun of cat play, so it is recommended to give the cat 20-30 minutes of play time each time, but playing too long will overdraw the physical strength of many cats.