Chrysler Thunderbolt Concept Closed Roof 1941 1:43 scale Matrix Scale Models Resin Model Car This Chrysler Thunderbolt Concept Closed Roof (1941) resin model car is metallic green. It is made by Matrix Scale Models & is 1:43 scale (approx. 11cm / 4.3in long). limited edition of 199 pieces worldwide. This model also comes in its own display case to keep it in perfect dust free condition.