Car shape was hand-carved from a block of cake. Covered in black buttercream. Styrofoam "bat wings" at rear of cake are covered in buttercream and skewered into cake. The round hollow front section between the headlights is a trimmed down styrofoam cup covered with icing. The silver pieces are fondant covered in silver dust. The black wheels, headlights, and tail lights are fondant., too.