Our focus is always on safety and durability. That s why we use solid hardwoods 15mm birch laminate and superior screw and dowel construction. Edges and corners are always rounded and smoothly finished by hand. We always only use non-toxic glues as well as an environmentally friendly water-based clear finishes and paints. Intermediate Block Set includes: 24 Shapes. 118 Blocks. Ground NH. - SKU: WTNYB029