Cat Ball Track,Cat Ball Toy,Kitty Toys Roller,3-Level Cat Ball Tower with 9 Removable Balls,Interactive Cat Toy,Circle Track DIY Fun Toy for Kitten Mental Physical Exercise - Large SizeIMPORTANT NOTE FOR CAT LOVERS Doogcat cat ball track features the size of 8. 2*5. 9 inch(21*20cm), which is perfect for kittens. Please watch our QA videos to check its size before purchasing. If your cat doesn't show interest on it,you can hit the ball first to attract the cat's attention, and they will start to play interactively or you can put some catnip on the track to let them become excited. SURE TO MAKE YOUR CAT FUNNY DoogCat interactive cat