The handle puzzle has no removable sections. Rather, it has seven swiveling flippers that cover the treats. The pet dogs can just slide the flips to retreat the treats, or they have to scoot and slide the keep track of to expose it. It is a problems degree two puzzle. https://dailyideapost.com/the-ultimate-guide-to-dog-toys-kong-dog-toys-dog-puzzle-toys-interactive-dog-toys-and-tough-dog-toys/