In advance: Make birthday hat and gifts.
For gifts, cut one 3 1/2 x 5 in. wide rectangle and two 3 x 3 in. squares. Set on waxed paper-covered board dusted with cornstarch. For large gift ribbon, cut a 1 x 3 1/2 in. long strip; attach to center using damp brush. For square gift ribbons, cut 3 in. long strips, 1/2 or 3/8 in. wide; attach to centers. For long yellow ribbon being tied, cut 2 strips, 1 x 5 in. long and 1 x 8 in. long. Cut V into 1 end; lightly pinch opposite end. Drape in position over back of cake pan dusted with cornstarch; let dry. For bows, cut 1/2 and 3/8 in. wide strips to match center ribbons. Cut 3 in. long strips for loops; curve and pinch ends together. Cut 1 1/2 in. long strips for straight ribbons; cut V into end. Cut 1 in. long strip for knot; roll 1/4 in. diameter flattened ball for button. Use fondant adhesive to assemble bows on waxed paper-covered board dusted with cornstarch. Let dry.