Though easy to take apart, the Hanayama diamond puzzle requires diligence and dedication to reassemble. The elegant, understated design hides a boggling brainteaser sure to keep your hands busy. Sleek, high-quality materials ensure each piece endures years of vigorous play. Hanayama cast-metal brainteasers are Mensa-rated and have 6 levels of difficulty; level 1 puzzles are considered easy. BePuzzled is the exclusive distributor of Hanayama cast puzzles in the usa?accept only the best, buy BePuzzled.