Clearly engaging, clearly rewarding, clearly fun. The fresh take on the stimulating puzzle craze. The interactive brain teaser is designed for long-lasting play. With a pliable, orbee-tuff outer shell, and unique inner maze. Stuff with planet dog eats and enjoy. This toy is intended for puzzle-play, not chewing, so it is not rated on The chew-o-meter scale. To clean, fill with hot water, shake vigorously and rinse.