Grimm's Small Stepped Pyramid of Wooden Building Blocks, 100-Piece Learning Set in Storage Tray (2x2cm Size) 100 rainbow-colored blocks (in 20 different colors!) store neatly in its own sturdy wooden tray Made by Grimm's, who believe creativity develops the imagination and free spirit Play will promote motor skills, creativity, early math concepts, and color sense Blocks have uniform 2x2 cm base, with varying lengths; Easily integrates with any of the other small Grimm's 2x2 blocks Handcrafted in Europe from natural wood and safe, water-based dyes & natural oils