This compact pocket 3D puzzle enables you to assemble the renowned travel game "Tic-Tac-Toe #2" known by various names like "Xs and Os" in North America or "Kitty-corner" in Canada. The game tiles are conveniently stored within the box, making it an ideal travel set. A part of our collection of compact travel games and puzzles, Tic Tac Toe serves as an educational tool, often utilized to teach strategic thinking, logic, and pattern recognition. - Number of pieces: 15.