This diamond consists of two pieces. Taking them apart is easy, but putting them back together takes some thought. This diamond may not be forever, but discovering its secrets will certainly keep a puzzler busy! Hanayama cast metal brain teasers have 6 levels of difficulty, and each puzzle is Mensa-rated. Level 1 puzzles are considered easy by most puzzlers. By American designer Scott Elliott. Use: Indoor Measurements: 4.75 Length/Inches, 3 Width/Inches Base Material: 100% Metal Care: Wipe Clean Country of Origin: Imported