The wooden Goki layer puzzle playfully introduces children to the world of numbers and geometric shapes. With a total of 15 colorful wooden pieces, this peg puzzle invites children to sort, stack, and match. Thanks to the clever layering principle, children learn about the numbers 1 to 4 as well as various proportions of size. The compact wooden puzzle measures 13.5 x 12 x 2.4 cm and is easy for small hands to grasp. It specifically supports hand-eye coordination and logical thinking when correctly assembling the individual levels.