Decorate cake.Prepare buttercream icing following recipe directions. Tint portions black, Christmas red/red-red combination (for red); orange/brown combination (for orange); lemon yellow/golden yellow
combination (for yellow), sky blue/black combination (for dark gray windows), royal blue and light black (for gray exhaust pipes). Reserve remaining white.
Use spatula and white icing to ice cake sides smooth. Use tip 3 and white icing to outline and pipe in windshield, headlights and smile. Pat smooth with finger dipped in cornstarch.
Use tip 3 to outline and pipe in dark gray side windows, blue small lightning bolt and red hubcaps. Pat smooth. Use tip 3 and white icing to outline ?95.? Use tip 3 and black icing to outline all other details. Use tip 16 to fill in red car body, orange ?95? and fender, and yellow lightning bolt with stars.
Use tip 16 and black icing to pipe outline tires. Use tip 5 and light gray icing to pipe in circles for exhaust pipes. Use tip 3 and blue icing to pipe dot eyes. Pat smooth. Use tip 3 and black icing to pipe dot pupils. Pat smooth. Use tip 3 and white icing to pipe dots on hood. Pat smooth.