P’kolino’s Puzzle Stacker increases the play value of the classic stacker by adding the benefits of puzzles. This 6 ring stacking toy helps develop a baby’s hand-eye coordination and recognition of sizes and colors. The puzzle fine-tunes motor skills and teaches spatial logic through joining the interconnecting pieces, resulting in doubling its developmental value within a single toy. Also available in a 10 ring version. Launch date: June 2009.