BLI 10601 HO Scale Big Boy 4-8-8-4 UP 4014 250th West Coast Tour 2026 Stealth DC Kaiju EXT 1x Firewall

1x Firewall

Fly indoors in gymnasiums and other suitable spaces

ARRMA AR550063 DBoots Hoons 42/100 Belted Tires on Speed 2

Simple touch-wheel interface

BLI 10601 HO Scale Big Boy 4-8-8-4 UP 4014 250th West Coast Tour 2026 Stealth DC Kaiju EXT 1x FirewallBLI 10601 HO Scale Big Boy 4 8 8 4 UP 4014 250th West Coast Tour 2026 Stealth DC When railfans think of big steam, one locomotive almost always comes to mind: the Big Boy. Often regarded as the largest steam locomotive ever builtand certainly a contender for the world's most famous locomotivethe Big Boy was created to meet some of the most demanding operating requirements ever placed on a steam engine. The Union Pacific Railroad needed a locomotive