I really like the straight forwardness of the build. To complete your model call PitsCo (Lego's Educational Division). To better simulate the interleaved roadwheels, I'd swap the 24 tooth gears for Pulley Wheels, P/N S9706600 are 25X for $10+S&H. For the Panther's tracks, I'd use Converyor Belts, P/N S779938 are 36X for $10+S&H. The latter German equipment seemed to all field wider tracks than their earlier panzers, lesson learned from the muddy Eastern front?