Feature●MENTALLY-STIMULATING DOG PUZZLE: Keep boredom at bay with this fun and squeaky puzzle toy! Designed with 2 removable squeaker balls and multi-sized openings, this puzzle is sure to keep you pup mentally engaged for hours of play!●2-IN-1 FUN: The Puzzle Cube by Outward Hound can be used in two fun ways— to challenge your pups problem-solving skills to release the inner tennis balls or to play toss and fetch with the squeaky balls.●INDOOR & OUTDOOR FUN: Both the external TPE rubber cage and the inner Outward Hound signature squeaky tennis balls are durable and brightly colored for fun that has no bounds whether indoors or out.●EASY TO CLEAN: To clean the Puzzle Cube, simply remove the tennis balls and rinse the outer rubber cage with warm water and mild soap.●PLAY IT SAFE: No toy is indestructible. Do not leave toys with unsupervised pets. Remove and replace toy if damaged.Description The Puzzle Cube from Outward Hound is a fun and exciting 2-in-1 puzzle toy for your curious canine! Made from an outer rubber TPE cage and two removable squeaky tennis balls, this toy is designed to stimulate your pups hunting skills while also providing them with a fun squeaky challenge. The two squeaky tennis balls, once released, can be used in games of toss, catch, and fetch for hours of fun! The outer cage can be easily cleaned separately with soap and warm water.