Kato 20210 N Scale UniTrack 310mm 12-3/16" Double Crossover Tunnel old Bowser asleep on the

old Bowser asleep on the front porch

40 mm Diameter

Four rocks measuring 7" - 7 1/4" (17

10 Pair per Package

3 - Two-Story Arched 2-Window (HI)

Kato 20210 N Scale UniTrack 310mm 12-3/16" Double Crossover Tunnel old Bowser asleep on theKato 20210 N Scale UniTrack 310mm 12 3 16" Double Crossover Use two feeder modules. Plan your layout to have a feeder equipped module on both sides of the crossover, and wire feeders from each track together at the power supplies. For all but the smallest layouts, this is a good strategy anyway. Equip the crossover module with jumpers. Build it as a double length module, with straight track at either end. Use terminal joiners to attach jumper wires