In advance: Make Mickey candy plaque. Tint 14 oz. Dark Cocoa Candy Melts black. Tint 21 oz. Mickey face color using orange candy color. Tint 3 oz. red. Reserve 4 oz. white. Pipe details into pan using melted candy in cut parchment bags. Pipe tongue; chill until firm. Pipe pupils, nose and mouth; chill. Pipe whites of eyes; chill. Fill face area; tap to settle, chill until firm. Fill with remaining black candy. Tap to settle; chill until firm. Unmold. Position on cut-to-fit, foil-wrapped Cake Board.
Also in advance: Make cookies. Prepare and roll out dough. Use pattern to cut smoke. Use Cake Circles as a guide to cut one 8 in. and two 6 in. circles for wheels. Use medium Cut-Out to cut 11 rounds for axles and lug nuts. Cut 2 strips, 1 x 13 in., for roof trim. Cut 1/2 x 8 in. strip for connecting rod.
Bake and cool cookies. Ice cookies by pouring on color flow icing. For large wheel, use largest Cut-Out to mark center circle; outline with tip 3, fill in and let set before covering outer area. Cover wheels, axles, lug nuts and 8 in. connecting rod with thinned icing. Cover cloud with full-strength icing. Let all dry overnight on waxed paper-covered boards. Use full-strength icing and tip 6 to pipe smoke outline and message. Let dry.
Finally in advance: Prepare double-layer base board. Use cake pans as a guide. Sheet cake is positioned vertically for cab; square cake becomes front of engine. Wheels extend 8 in. beyond bottom; cloud extends 6 in. above roof; cowcatcher extends 5 in. in front. Cut 2 foamcore boards to fit, tape together and wrap with foil.
Bake and cool Wonder Mold cake (use firm textured batter, such as pound cake), 1-layer square and sheet cakes, and 13 cupcakes.
Position and decorate cakes. Position square and sheet cakes on prepared board. Cut Wonder Mold cake in half vertically; position 1 piece for smoke stack. Cut other piece in half and trim bottom for 5 in. high section; attach for cowcatcher. Remove baking cup and trim 1 cupcake to 1 1/2 in. high for flat back; attach for light. Use toothpick to mark 9 1/2 in. square window (begin 2 in. from top edge). Ice smooth window area and top of smoke stack. On 10 in. square, use toothpicks to mark 2 x 7 1/2 in. vertical blue stripe (2 1/2 in. from front edge), 2 x 6 in. horizontal dark green stripe, 1/2 in. wide stripes on cowcatcher. Outline window with tip 5.
Cover cakes with tip 18 stars; overpipe engine stripes for dimension. Position roof trim cookie; cover with tip 18 stars. Pipe tip 18 zigzags on edge of cowcatcher and smoke stack. Spatula ice cupcake supports. Position 5 under smoke, 3 under large wheel, 2 for each small wheel. Position smoke and wheel cookies. Attach connecting rod, axles and lug nuts with full-strength color flow. Insert dowel rods to support candy plaque. Position candy plaque. Pipe tip 12 shirt.
* Combine Golden Yellow with Lemon Yellow for yellow cab shown.
* Combine Leaf Green with Lemon Yellow for green shades shown.
* Combine Royal Blue with a little Black for blue shades shown.