TWINVILLE - XL BUILDING BLOCKSWooden block building, develops creative thinking, spatial orientation, and a good eye. It improves fine motor skills and gives basic ideas about equilibrium and the basics of constructions. This toy is open ended so that children have infinite ways of playing with it. The set consists of 56 blocks that are perfectly sanded and the corners have been rounded for your childs safety. Specifications: Materials: Canadian Pine 100% natural Product