ZippyPaws Hedgehog Den with 3 Hedgehogs, Hide and Seek Plush Dog Toy Plus 3 Extra Hedgehog Refills ZippyPaws Hedgehog Den with 3 Hedgehogs, Plus 3 Extra Hedgehog Refills Interactive puzzle toy challenges your dog Hedgehog Den size: 6 x 6 x 4 Inch Great for small and medium-sized dogs Caution: small toys, always supervise playtime