Craighill Tetra Puzzle (Stainless Steel)A beautiful and captivating mechanical puzzle composed of four identical pieces of stainless steel. On first glance it might seem fairly straightforward, but the Tetra Puzzle is challenging to unlock. Craighill is a design studio in Brooklyn, NY focused on creating products to be as functional and timeless as they are beautiful and intriguing. Features: Four identical pieces 1. 5 lbs 2. 9" x 2. 9" x 2. 5" Brushed Stainless Steel Designed by Revision
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