Challenging Educational Dog Toy Level 4 dog food puzzle is perfect for pup who has mastered levels 1-3 and are ready to learn the successive steps. Great for redirecting destructive or negative behaviors in a fun and exciting way!<br> Squeaky Dog ToysThis dog interactive toys is designed with a sounding device in the middle of the toy,which is to attract the pet's attention.Also,you would enjoy the fun of dog treat puzzle toy with your pets, greatly improve relations with your pets and get fun during interactive dog games.<br> Non-removable Parts Dog PuzzleFor the protection of the dog's safety,built-in parts of our dog toys are designed to be non-removable, which is to prevent the removable parts from being accidentally eaten by the dog when using the game.<br> Food-Safe PP Material&Anti-SlipThis dog treat puzzle is made with toxic-free PP materials, very durable for pets long time playing.The bottom four corners are equipped with four non-slip pads, which can well fix the game toys on the floor.<br> Considerate After-sale SerciveNOTE: No toy is indestructible.Do not leave toys with unsupervised pets.In addition,if there is any quality problem with the product, please contact us and we will be happy to replace or refund you.