Level 2 Interactive Dog Puzzle From Nina Ottosson Is The Ideal Toy For Bored Dogs And Will Keep Them Occupied For Hours! With 12 Hidden Compartments And 3 Dog Bone Covers You Can Vary The Difficulty Level Of This Stimulating Dog Puzzle This Engaging Dog Treat Dispenser Provides A Fun Physical &Amp; Mental Challenge.The Dog Tornado Puzzle Toy Is Easy To Wash By Hand With Mild Soap And Warm Water.