Bake and cool cupcakes in silicone cups supported by cookie sheet. Ice smooth.
Decorate using very stiff buttercream. Pipe a tip 1A circle inner tube. Figure pipe kids with tip 1A ball body and head. Pipe in tip 3 bathing suits (pat smooth with finger dipped in cornstarch). Add tip 12 pull-out arms and legs. Pipe tip 3 dot fingers and nose, pull-out or swirl hair. Add tip 1 dot eyes and string mouth.
*Combine Brown with Red-Red for brown shown. Combine Violet with Rose for lavender shown. Combine Lemon Yellow with Golden Yellow for yellow shown.