For modelers with guts... and money!
PS35268, Conversion resin set (and photo-etch, windows & dashboard folie) for plastic kit MAZ-537 (Trumpeter) 1/35 scale.
PS35267, Conversion multimedia set contains parts of resin, photo-etch and CD-Rom - only for Tamiya T-72 plastic kit.
PS35C180, 100mm Anti-tank gun Ptk vz.53
We also saw these smaller heavy weapons kits: