There are 25 Y-shaped pieces in this puzzle. The object is to create a 5x5x5 Cube, with alternating colors. The workmanship and beauty of this puzzle are something special to behold, and combined with its large size this puzzle really is quite impressive. Each individual block of the puzzle has a beveled edge, giving it a soft and elegant appearance. It sits in a three-sided base that will balance on one corner. The puzzle itself is extremely difficult.