Kinsmart 5323D - 5" 1957 Chevrolet Bel Air police. 1:40 scale diecast collectible model car. This 1957 Chevrolet Bel Air police cruiser is a 5" long die cast metal car with pullback motor action, opening doors. 12 pcs per display box and in assorted colors. 72 pcs per inner box, 144 pcs case pack.