Make 24 fantasy flowers 1 day in advance. Tint 2 oz. gum paste pink. Use fondant roller with pink guide rings to roll out 1/16 in. thick. Use straight edge of smallest (7/8 in.) heart cut-outs from set to cut five hearts from gum paste for each fantasy flower.
Place hearts on thin shaping foam. Use ball tool to ruffle top edge and sides of hearts.
Prepare gum glue adhesive following recipe directions. Use brush and gum glue adhesive to attach five heart cut-outs together, overlapping each other. Repeat for each flower. Let flowers dry overnight in cornstarch-dusted flower former cups.