There are sixteen 2"x2" Cipra City tiles, each with a different configuration of road segments. Your challenge is to create a 4x4 tile map where every road goes from one edge to another without stopping. All of the arrows must point north. Kit includes 16 tiles, 12 page educational booklet, and muslin carrying bag. Tiles are 1/4 inch thick and hand painted black. Natural color road projects from the black background. These tiles are simply amazing to behold and a puzzle to put together into the correct sequence.