The 60 curved pieces in this 4.5" x 4.5" x 2.5" Hello Kitty puzzle assemble to form a solid, smooth ball. The kit also includes a standing base so that the finished puzzle can be easily displayed.
— Three of 43 retailers told TDmonthly in late spring 2010 that puzzles are a best seller in their stores. Two of the three cited Ravensburger as a top brand.