Venn Puzzle Color:Stainless Refill Adapter Kit and one

Refill Adapter Kit and one Schmidt easyFLOW 9000 M Blue refill included

For sharing a moment

Comes with a removable hand strap

Lockable zips

Wildly breathable back panel

Venn Puzzle Color:Stainless Refill Adapter Kit and oneA 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