IMPORTANT NOTE FOR CAT LOVERS – cat ball track features the size of 7.94.13 inch(2010.5cm), which is for kittens. Please 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 – interactive cat toy features a 3-track design that allows you to fit multiple wooden balls for the cat to play with.We love cats and for this reason we include one bells in the wooden ball toy for cat package. These bells are a good alternative to the wooden balls in the tracks when looking to capture your cat's attention.. MATERIAL – cat ball track selected natural hard solid wood, and ordorless, is stabler than most plastic cat toys on the market and it is not easy to overturn. Besides,the wooden track is processed vanish that allows for easy movement of the balls without getting stuck on the tracks..LONG-LASTING CAT BALL TOWER – No matter how hard your cats scratch the wooden balls,they will not fly out, so your cat is immersed in the interaction. Besides,the non-slip base holds the tower of tracks in place during vigorous play,so this cat ball toy definitely is for owners of more than one cat..KEEP YOUR CAT ACTIVE & HEALTHY – cat toy track will stimulate your kitties both physically and mentally, preventing them from becoming destructive or misbehaved. (Warm Prompt:If you find kitty are interest-less on it, try put some MINT on the track or play by yourself as an example.).EASY TO DISMANTLE AND ASSEMBLE – You don't need to assemble this circle track cat toy. Just take it from the package, kitten can play with it directly.You also can put a bell on each track to enhance the flexibility of the cat ball track.(Attention: The cat toy is suitable for small cats/Kitten, NOT OLD CATS as most of them are inactive to play).DESKTOP DECOMPRESSION TOY – When your cat doesn't like to play, product can be used as a craft decoration or as a Desktop decompression toy