Warmth of the tree that is not even painted in simple toy-friendly baby. I can play to put looking for a piece of wood that fits the shape of the hole in the box. If you can not be aware of the form, you can also play with or give a sound by hitting enjoy the feel. Such as a circle, triangle, square, arc, pentagon, glasses form Dharma form, from those to be taken in all directions, to those that can not be put only one way you, the degree of difficulty varies with the form Add. Material: Basswood plywood, falcata materials, size: 135 x 135 x 135 (mm) Weight: 700g