<p>3 Sets of 192 Difficult Puzzles: 3x more content than the competition! From simple shape matching (1 level) to complex logic grids (3 levels), keep kids engaged for hours. Great for children of all developmental stages, ages 3-6.</p> <p>EDUCATIONAL VALUE: STEM-certified brain booster. Stimulates children's reasoning, improves hand-eye coordination, and boosts problem-solving skills.</p> <p>UNIQUE GAMEPLAY: With an innovative key-lock mechanism, kids can insert cards, use keys to check answers, and learn from their wrong attempts.</p> <p>AGE-FIT: Designed for ages 3 and up, with varying difficulty levels to keep things engaged and challenging. Watch your child smile with pride as they solve puzzles independently.</p> <p>SELF-CHECK SYSTEM: Built-in verification method allows kids to independently confirm answers and learn from mistakes.</p> <p>QUANTITY: 3-PACK</p>