It's not just one puzzle, it's 500 puzzles with thousands of solutions! It's also a game so popular it's played on TV in Europe. Winner of multiple awards worldwide, Katamino builds spatial observation skills, sharpens logical thinking and teaches basic properties of 2-D and 3-D modeling. Plus it looks cool on your coffee table. Colorful wood set includes playing board, movable space bar, and 12 playing pieces. Board 12 1/2"w x 7 1/2"h. Ages 6 and up.