2004 Chevy Monte Carlo SS, Blue - Welly 22456 - 1/24 scale Diecast Model Toy Car (Brand New, but NO BOX) 1/24 scale diecast collectible model car. This Chevy Monte Carlo SS is a 7.75"L x 2.75"W x 2.25"H diecast metal car. Opening doors & hood and free wheel action. This Chevrolet Monte Carlo SS is manufactured by Welly.