In advance: Make fireworks. Prepare Royal Icing recipe. Tint half Red-Red/Christmas Red combination and half blue. Cover pattern with parchment paper. Using royal icing, pipe Round Decorating Tip 5 fireworks; make 240 red and 240 blue fireworks arcs (20 for each cupcake; number includes extras to allow for breakage); let dry.
Bake and cool cupcakes in your favorite Patriotic Themed Baking Cups.
Prepare Buttercream Icing recipe. Using white buttercream icing, pipe Large Star Decorating Tip 1M swirls on tops of cupcakes.
Insert fireworks arcs and attach icing decorations using white buttercream icing and Round Decorating Tip 5 dots.
To assemble, place 10 in. plate and pillars on Cake Base. Place 6 in. plate and pillars on 10 in. plate. Place one pillar on 6 in. plate. Position 1 cupcake on top pillar, 4 cupcakes on 6 in. plate, 8 cupcakes on 10 in. plate and remainder on Cake Base.