Alfie Pet by Petoga Couture - Lincoln Smart Interactive Treats Puzzle Toys for Dogs and Cats - Pattern: Bone Measures 11.25"L x 7.5"W x 1"H. There are 8 small holes. Suitable for puppy or newborns Initial training and helps stimulates your dog's brain. Made of wooden, good for pets Fill the hole with your dog`s favorite treats or food Adjust difficulty level as your dog learns