The King of the Road has a massive forty flexible road parts to make a really large road design of 648cm length. The shape of the parts are straight, curved and crossed with different road markings on both sides to offer you lots of variation. The high grade, child safe material is tough, unbreakable but flexible enough that it can be laid out on almost any surface indoors and out. It is easy to assemble and easy to clean and kids absolutely love it. Road segments are 11cm and wide and this set contains 16 curves, 16 straights, 4 intersections and 4 roundabouts.