Intermediate dog puzzle: Exercise your dog's mind with interactive 2-level puzzles. This engaging dog treat dispenser provides a fun challenge for mind and body. Your pup will need to learn how to combine multiple steps to retrieve hidden treats, with 12 hidden compartments and 3 dog bone lids, you can change the difficulty level of this challenging dog puzzle for your excited and satisfied furry friend Easy to clean: Educational toys are easy to hand wash with mild soap and warm water. Make sure all compartments are dry before use. BPA, PVC, and Phthalate Free: These interactive dog puzzles are designed with your pet's health in mind, using materials that are safe for your pet. foods you can trust. It can be easily cleaned with warm water and soap between uses. WARNING: Even the strongest toys can sometimes break. Do not leave your pet near this item unattended. If it is damaged, set it aside and replace it.