ADVANCED PLAYERS: TRIXIE'S Level 3 dog food puzzles are the ultimate game to provide mental stimulation for dogs. Our advanced interactive dog puzzle toys are ideal for those that have reached Master Status; we introduced a higher degree of complex sequential steps for them to earn their tasty reward MENTAL STIMULATION: 15 minutes of mental stimulation is equal to 30 minutes of physical exercise; TRIXIE food puzzle toys will stimulate your pup's mind to improve your dog’s mental health and confidence, relieve stress, and eliminate bad behaviors ENRICHMENT FUN: Lift, flip & pull to discover treats and hidden levels; this interactive dog treat puzzle has different treat-hiding games to challenge your pup’s mind PUP SAFETY: TRIXIE Dog Activity interactive dog toys are designed with your pet's health in mind, starting with safe, trusted materials that are BPA, Phthalate, and Lead-Free; Easy to clean between uses with warm water and soap, and dishwasher safe TASTY TREATS: Your pup’s good behavior & curiosity will be rewarded. TRIXIE puzzle toys include training tips to help strengthen your bond with your pet; Please remember never to leave toys with unsupervised pets - no toy is indestructible