This is a scratchbuilt model, constructed primarily from 60 thou plastic card. Fenders are brass sheet. Turret roofs and gun mantlets formed with Andrea Sculp epoxy putty. Drive sprocket, return rollers and torsion bar trailing arms cast in resin from scratchbuilt masters. Idler wheel also cast in resin but using modified Eastern Express KV kit parts as masters. Trakz resin KV wheels used. Armour Track Models KV/IS tracks used. Details from plastic card, plastic rod, Coke-can aluminium and wire. Model depicts vehicle of the Russian Army, 20 th Heavy Tank Brigade, Finland, December 1939.