To make candle, use Rotary Cutter to cut strip, 3 in. long x 2 in. wide, from Light Green Sugar Sheets! Roll sheet around FoodWriter and seal with piping gel. Slide sheet off FoodWriter, and let dry for a few minutes.
Using Rotary Cutter, cut strip, 10 3/4 long x 1/8 in. wide, from Light Yellow Sugar Sheets! Coil the strip around the candle at an angle and attach with piping gel.
Using punch with Leaf Cutting Insert, cut out flame from Bright Yellow Sugar Sheets! Color stem with black FoodWriter. Attach to candle using piping gel. Set aside.
Bake and cool cake. Position base on foil-wrapped cake board. Ice smooth with light yellow (Lemon Yellow Icing Color and Golden Yellow Icing Color) buttercream.
Using border punch with Diamonds Cutting Insert, cut six strips, 4 in. long, from Light Blue Sugar Sheets! Cut a zigzag pattern on opposite side with Rotary Cutter.
Using Rotary Cutter, cut six strips, 4 in. long x 3/8 in. wide, from Red Sugar Sheets!
Attach alternating blue zigzags and red strips to cake, 1/2 in. apart, with piping gel.
Attach cupcake top. Ice top with white buttercream. Sprinkle with confetti.
Spell out name with Alphabet Sugar Sheets! and attach to cake.