Create incredible geometric chalk drawings easily with the Toysmith Sidewalk Spiral Art Kit. Draw big, beautiful spirals with this oversized art kit. Snap the tracks together and roll a stencil along the ridges like a cog. Use The 3 included color chalks and chalk holder to draw intricate spiral shapes from 5″ to 25″ in diameter with the 4 curved rails and 3 spiral art wheels. It's like a giant-sized Spirograph toy set. This item is recommended for ages 5 and up.