I have a couple of "baby" stamp set, but nothing for folks between baby and adults. For those cards, I normally turn to punches and bright colors (or cupcakes).
Stamp Set: Made for You
Card Stock: whisper white, pacific point, pear pizzazz, tangerine tango, brights dsp stack
Stamp Pad: momento black
Other: 1-3/8" & 1-1/4" circle punches, itty bitty accents punch pack, perfect polka dots embossing folder, big shot, rhinestones, dimensionals.