Engine: Cut 1 ½ in. square fondant for windows. Attach with icing. Use white icing to outline windows. Use red icing to pipe in curtains. Attach candy to bottom edge. Use white icing to pipe smoke. Use white icing to pipe dots and attach candy. Use red icing to pipe dots; use green icing to pipe beads. Use red icing to pipe vertical line dividing engine. Outline with green icing. Use white icing to attach candy to wheels. Use white icing to pipe line between wheels and attach candy. Attach candy to front of engine.