Grimm's building boards set - construction, building and balancing. Aids in developing hand-eye co-ordination, gross and fine motor skills and colour sorting. These building boards are the perfect complement to the 12 piece rainbows, and semicircle (sold separately). So many wonderful balancing games and new construction projects can be created, leading to even more open ended play. Pairing the beautifully coloured plant based stained slats with medium and small rainbows, Grimm sets and building sets, you can make so many different formations. All Grimm's toys are produced and hand painted in small factories within Germany and Bosnia. Each item is produced with lots of care and anyone that has ever held a Grimm's toy in their hands will understand their slogan: "Joy through colours"! Grimm's develops toys that help children discover their own creativity through simple and reduced shapes that leave room for independent arrangement. Many of Grimm's toys integrate Waldorf and Montessori aspects in their design. Grimm's are one of Europe's most beloved companies for natural toys.