No one likes messy edges to their fields streets and other public spaces which is probably why walls were invented in the first place and to determine property borders of course the same goes for model railway layout and now you can create a true atmosphere of rural britain on your set with this pack of granite wall pieces from hornby r8538 the set comes with 2 straight walls with reverse ends 2 standard straight walls 3 half straight walls and 4 adverse corners so there are plenty