It’s pretty clear that when the team at Craighill hits the drawing board, nothing is off limits. Their streamlined designs may look simple, but every detail is carefully considered for form and function. At first glance, you might underestimate the difficulty of solving this Tetra Puzzle. Made with nuances and asymmetries for an added challenge, this intriguing mental and physical puzzle comes together to form a tetrahedron shape and doubles as an attractive desk accessory. It's perfect for those times when you need to think about something else other than the to-do list on your work computer.