Sturdy Geometric Sorter Board: Updated wooden peg design creative shape we have reinforced the wooden peg more sturdy don't worry about falling out. Geometric Intelligence Board set is with four geometric shapes (16 blocks) which can be stacked together on the wooden board. According to the shape of holes children can stack them anyway they want. Safe for Children: The geometric sorter board is made of high quality wood and water-based paint non-toxic environmentally friendly. Using the round and smooth design there are burr-free safe to your children. Manufacturered by ponangaga. Detachable Wooden Sorter Board: Detachable removable blocks with different geometric shapes Kids can hold the pieces and to stack them sort them line them up trace them puzzle and play with them in endless ways. It can inspire children's imagination as well as promote their physical and intellectual development. Educational Wooden Toys/ Gifts: Coming with a box ideal for the gifts. The shape sorter board wooden can develop essential skills such as shape recognition color recognition manual dexterity logic matching spatial relationships ability to explore hand-eye coordination and cognitive abilities of the baby. Bigger Size Wooden Toys: Geometric sorter board size is 14.5x14.5x5.5cm/5.7x5.7x2.16in bigger than the shape sorter board in the market. The distance between the toy blocks is about 2.5-3cm perfect size for toddlers' hands train baby's fingers to muscular flexibility.