The treat puzzle consists of no removable areas. As an alternative, it has 7 swiveling flippers that hide the treats. The dogs can just slide the flips to retreat the treats, or they've to scoot and slide the track to expose it. This is a problem degree two puzzle. There https://dailyideapost.com/the-ultimate-guide-to-dog-toys-kong-dog-toys-dog-puzzle-toys-interactive-dog-toys-and-tough-dog-toys/