The handle puzzle incorporates no detachable areas. As an alternative, it's got seven swiveling flippers that conceal the treats. The puppies can just slide the flips to retreat the treats, or they may have to scoot and slide the track to reveal it. That is a problems level two puzzle. https://dantevafil.wikicorrespondent.com/5593951/facts_about_dog_puzzle_toys_revealed