Educational Wood Building Blocks: Building creativity! Wood Building Blocks are a mainstay of the toy box and lay the foundation for several early skills including science, engineering, spatial recognition, and creativity. Wood Building Blocks are limitless in their play and have fostered the imagination of generations of children. HABA’s premium Wood Building Blocks are made from beech hardwoods grown in sustainable forests. Our stains are water-based and non-toxic so that your child has the safest, highest quality, eco-friendly blocks on the market.