The Venn Puzzle is a beautiful dexterity challenge and an intriguing addition to your desk, shelf, or coffee table. It feels heavy and cool in the hand, with the pieces shifting in synchronized motion, similar to the aperture of a camera. Even after getting the hang of it, you're certain to reach for it again and again – it's an incredibly satisfying object to hold and appreciate.

For the full story, check out the Kickstarter page.