ADVANCED DOGPUZZLE: Exercise your dog’s mind with the Level 2 interactive puzzle. This engaging dog treat dispenser provides a fun physical and mental challenge. Your pup must learn how to combine multiple steps to find the hidden treat. With 12 hidden compartments and 3 dog bone covers, you can vary the level of difficulty; of this challenging dog puzzle to keep your friend alive. horny and happy on all fours! SIMPLY & Agrave; CLEAN: The puzzle toy is easy to clean. wash at Hand with mild soap and lukewarm water. Make sure all compartments are dry before use. BPA, PVC AND PHTHALATE FREE: These interactive dog puzzles are designed with canine health in mind. from your pet to; Made from food grade materials you can trust. Easy to clean between uses with warm water and soap.