Grimm's Small Waldorf Building Blocks, Set of 15 Organically-Shaped Wooden Blocks (Colored) Brightly colored chunky wooden blocks are designed to inspire creative play & imaginative thinking Handcrafted in Germany using sustainable hardwoods and certified non toxic, water-based stains Waldorf school-inspired to encourage open-ended play: What can you build? You decide! No two sets are exactly the same: the shapes are unique & formed by real people, not machines! Blocks vary in length & height, but all have one side of uniform depth (just under 1.5 inches).