Hanayama's Delta brainteaser consists of three identical, interlocking pieces that are fiendishly hard to separate;Once you've figured out how to separate the pieces, can you put them back together again?;This 4.72 x 2.99 x 1.811 cast metal puzzle designed by Kyoo Wong is considered difficulty level 3 (moderate);Hanayama is known worldwide for challenging puzzles and quality manufacturing;BePuzzled is more than just jigsaw puzzles - it's puzzle-plus