Features: Classic Klotski Puzzle Board Game: The classic Klotski game board equipped with a wooden base board & double sided design pieces, one side with digital, the reverse side with cartoon pattern, kids need to for focus and solve the problem to improve their logical thinking skills. Selected Qualification Material: Made of qualified solid hard wood, well polished and smooth edges as well as wear-resistant, non toxic water printed, safe friendly for kids for play. Sensory Enhancement Puzzle Toy: Round edges sliding puzzle board, and 2 for play methods in one, with well stimulate children's desire to explore, the concept of teaching in fun to attract kids' concentration, exercise their logic & space thinking, exercise and stimulate their hand & eye coordination. Brain Developmental Table Toy: The Sudoku puzzle game with great educational training for kids, improve their abilities of independent thinking, cultivate & stimulate their problem solving skills and further right brain development. for Ideal Gift for Kids: Suitable for kids as birthday gift, Christmas gift, and encourage them free to explore their small world and brain training, which also a perfect interaction game for parent-children. Specifications: Product Dimension: approx. 8 Numbers 11 x 12.5cm/4.33 x 4.92 inch, 15 Numbers 12.7 x 14.5cm/5 x 5.7 inch, 24 Numbers 15 x 17.3 for cm/5.9 x 6.for 81 inch Material: Wood Style Option: 8 Numbers/15 Numbers/24 Numbers Net Weight: approx. 600g/1.32 lbs Note: Warning: The toy may contain small pieces and need to pay attention to the swallowed risk. Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Wooden Klotski Puzzle Board Toy