"Time travel is hard. Especially in a vast paradox like this one. But if you want to learn, I can teach you. Just in case." How she did it was a mix of magic and science. But she was sure there were purely magic ways to do it too.
"She's especially tickles on those little piggies, so she might be protecting them." Sarah chuckled softly as the little girl stared up at her big sister, broad grin exposing a tiny little tooth.