xxExtension Pack AHOR R8221 Hornby Track Extension Pack A Extend your set in easy steps by adding Track Packs and TrakMat Accessory Packs all the way to the full layout pictured on your TrakMat scenic underlay sheet. Add Extension Pack A to the Starter Oval supplied with the smaller Hornby train sets to make this layout. Track Extension Pack A contents: Straight track (R600) x 1 Double straight track (R601) x 2 2nd radius curve track (R606) x 1 Left hand point (R8072)