Black, Code 100 Track HO-3 From Book #9: Beginner's Guide to HO Model Railroading Minimum Table Size Required: 4' x 6' The HO-3 uses the Atlas Pier Set to provide two level operation in the minimum space of 4 x 6 feet. Since this is a one train railroad, the wiring consists of only two connections from your power pack. Please note that the HO-3 layout package contains all the track, switches and electrical components you need to build the layout, EXCEPT a power pack. The power pack is sold separately. - Kit Details - H0-3 UP-AND-OVER IN 4\'X6\' HO PIER SET HO 3" BRIDGE PIERS HO CODE 100 9" STRAIGHT TRACK - BULK HO CODE 100 15" RADIUS TRACK - BULK HO CODE 100 18" RADIUS TRACK - BULK SP1000 SPADE CONNECTORS LAYOUT WIRE - BLACK 50\' HO-CODE 100 3" STRAIGHT TRACK (4) HO-CODE 100 1/2 18" RADIUS TRACK (4) HO-CODE 100 TRACK ASSORTMENT HO-CODE 100 REMOTE SNAP SWITCH LEFT HO-CODE 100 PLATE GIRDER BRIDGE HO&N-TRACK NAILS HO-CODE 100 BUMPERS (2) HO-CODE 100 RERAILERS (3) HO-CODE 100 18" RADIUS TERMINAL SECTION