Home / Modern Era O / Modern Era O Rolling Stock Kits / Thrall RailGon Kit Thrall RailGon Kit$170.00 Purchase Information (Limited Stock) Categories: Modern Era O, Modern Era O Rolling Stock Kits Related products Modern Era OModern Era O Decals Wisconsin Central Box Car Decals Decals to complete one car. Modern Era OModern Era O Decals SOO Gondola Decals Decals to finish one car. Modern Era OModern Era O Decals Soo Line Switcher Decals Decals to complete one locomotive. Modern Era OModern Era O Decals Soo Line White Diesel Decals Decals to complete one locomotive.