Rainbow Architect Houses are made from beautiful smooth solid beechwood with a natural woodgrain finish in the 7 different colors of the rainbow. The houses nest together as a set with the inner block being a solid 3D shape. This shape set will allow your child to unlock their creativity and innovation. Encourages creativity, innovation, and mathematical logic through play. It can be used to design spaces, construct sculptures, create mini homes and communities, and develop language skills and vocabulary. Size range: 7.5”H x 5.8”W x 1.6”D to 2.4”H x 1.6”W x 1.6”D.