Make and decorate cookies one day in advance. Prepare cookie dough following recipe. Use rolling pin to roll out 1/8 in. thick. Cut with chick cutter from set. Bake and cool cookies.
Prepare Color Flow icing following recipe direction. Tint portions yellow and orange. Use tip 2 and full-strength yellow icing to outline chick. Use thinned yellow icing in a cut disposable bag to fill in chick; let dry 4 hours to overnight.
Use tip 2 and full-strength orange icing to pipe in beak; pat smooth with finger dipped in cornstarch. Use tip 2 and full-strength yellow icing to outline wing. Let dry. Use black edible color marker to draw eye.
Make cupcakes. Prepare yellow batter following recipe directions. Tint 1/3 of batter blue.
Place two-tone insert in baking cup-lined muffin pan. Use a cut disposable decorating bag to fill center ring of insert 2/3 full with blue batter. Use a cut disposable decorating bag to fill outer ring of insert 2/3 full with yellow batter. Remove insert and repeat until all cavities are filled. Remove insert. Bake and cool cupcakes.
Decorate cupcakes. Prepare buttercream icing following recipe directions. Tint blue. Use tip 2A and blue icing to pipe a swirl on top of cupcakes. Position confetti sprinkles. Insert chick cookie.