Venn Puzzle Color:Stainless Twist up eyecups

Twist up eyecups

Bolted together with 8 stainless steel mil-spec screws

featuring matte black finish and gold imprint

and packed for travel

Half luxurious

Venn Puzzle Color:Stainless Twist up eyecupsA beautiful mechanical puzzle comprising three identical pieces, die cast in stainless steel and weighing almost 1 kg. The size is the same as a pool ball. The Venn Puzzle is a surprisingly difficult dexterity challenge and an intriguing addition to your desk, shelf, or coffee table. The assembled puzzle creates a perfect sphere so each piece makes up one third of the sphere by volume. While simple in concept, reassembling these three surprisingly