This beautiful, long-lasting set of wooden blocks contains many standard shapes and sizes of building pieces making it a perfect starter set for every family. The assortment includes an inspiring array of vibrant rainbow colors that will attract children of all ages. This heirloom-quality set will bring many years of play, and will likely last long enough to be passed down to the next generation. This 42-pieces set is handmade in Germany from solid, natural wood, then stained with certified nontoxic water-based dyes, and finally finished with food grade vegetable oil. from about 18 months, right on up to older kids who will use them as part of their more elaborate structures. Inspired by the philosophy of Waldorf education, Grimm’s toys are designed to help children discover and develop their own creativity and leaving plenty of room for independent, open-ended play and imagination. Minimal finishing allows children to experience the natural look and feel of the wood. Includes wood tray which can be used for storage and as a building platform. All corners/edges of blocks and tray are sanded. Safe for Ages 1 year & up. The shapes in this set can be used to build lots imaginative structures, and because they are on a 4×4 scale, these blocks combine seamlessly with other sets with base measurements of 4 cm in thickness. To expand your Supplemental Building Set, check out the other beautiful 4×4 blocks from Grimm’s such as the Basic Building Set, Large Romanesque, Large 1001 Nights Building Sets, Large Montecarlo Curves and more. NOTE: You may notice some color transference on the wood. This is not considered a defect, as the blocks are unlacquered. This is in order to preserve the natural feel of the wood, which is part of Grimm’s aim to design toys according to principles of Waldorf and Montessori education. Unlacquered blocks are easier to build with as they are less likely to slip.