Get ready to hide, seek and treat with this Nina Ottosson dog puzzle. The Dog Smart works with your dog to beat boredom and keeps them busy, reducing destructive behaviors. Fun for all dogs regardless of age, size or breed, the Dog Smart is sure to be your furry friend's new favorite! REAL WOOD LOOK: The Nina Ottosson Dog Smart is made to look like real wood, but its unique composite material has all the benefits of both wood and plastic. It’s more durable than wood, easy to clean and will not splinter or snap like wood while your dog plays with it.