Lifeunion Pet Treat Seeker Play IQ Training Eudcational Games Toys with Ethical Tinkle Bell for Dogs Interactive with Shuffle Puzzle Interactive Dog Toy Bone shaped board with 8 holes for hiding treats 7 sliding disks which challenges the dog to find the treats Size: L11.8" X W7.9" X H 1.2" These puzzles provide mental stimulation and rewards your dog for being able to complete the task