PicassoTiles 300pcs Magnetic Building Blocks 3-in-1 City Theme Children's Play SetDream big and build big with PicassoTiles 300pcs Magnetic Building Blocks 3 in 1 City Theme Children's Play Set. With PicassoTiles, you can build without limitations because everything is scalable to build as big as desired by adding more pieces to create your masterpiece. Both entertaining and educational, playing with magnetic tiles fosters hand eye coordination, improves problem solving skills, helps children practice teamwork when used as a group