It may take an infinite amount of time to solve this mind boggling metal brainteaser by designer Doug Engel. First, try to take the four nickel plated puzzle pieces apart. Then challenge yourself further by fitting them back together. Endless fascination. Measures 2 1/2" in diameter. Solution included.
From: Bits & Pieces
Price: $12.99
Coupon Code
14-W9914 for a free
gift at checkout