Snack toy for cats. The Hunt 'N Swat Tumbler keeps curious cats engaged and rolls around as they play. The twist-off cap is easy to open and refill. The base can be rotated to adjust the size of the treat hole, making the game easier or more challenging. Springs stimulate the natural hunting instinct of cats. Size (W x L): approximately 7 x 7 cm. The Nina Ottosson Hunt 'n Swat Tumbler is an interactive toy that provides your cat with hours of fun. The ball rolls and moves in unpredictable directions while you can add treats that need to be retrieved. Activity - for your cat's physical and mental fitness. Whether alone or with you: cats love to play and hunt. Playing together strengthens the bond and builds trust. Cats also need to be physically and mentally challenged, which keeps them agile and maintains their reflexes and speed. Intelligence games are a meaningful challenge that promote your cat's activity and keep them fit. Fun is guaranteed - for both participants.