Made of natural environmental wood with non-tox water-based paint, smooth surface and no sharp edges, safe and secure for your children. The thickness and size of the wooden puzzle are perfect for kids to pick up and hold, it's the best choice as Montessori learning toy for toddler boys and girls. Wooden knobs are made of high quality environmentally friendly wood, whose proper size and smooth surface are perfect for small hand to grasp. Beautiful bright vibrant colors, easy and cute shapes, make it easier for kids to remember and learn. Promote children's recognition ability of colors and shapes, and cultivate their creativity, imagination skill, improve your boys' and girls' concentration and capacities to solve puzzles.

Size: 11-4/5 x 10 x 2/5 inches per puzzle