An eclectic solitary, agnostic, Earth witch in Ontario.
Chicchatter87 has rosie sets include dress for Mother, child, toddler and infant. Also a sleeper for the infant. You can also download a bedroom set for a child or nursery for toddler/infant. Very pretty. I downloaded them all.
I’ve never tried to make a child or toddler a vampire. But, they could be a lot more convincing if they had the teeth for it. Fangs for Children and fangs for toddlers by Maho Creations. If you go that far, get the vampire eyes, for all ages.
I found an Alice in Wonderland costume for girls. If you have a younger brother or sister, toddler age, you can include them in the Alice in Wonderland theme. InfinitePlumbobs has a top hat and suit to have your toddler dress up like the Mad Hatter. Luckily, Sims can’t say no!
This Arcane Illusions toddler Witch outfit includes a dress, hat and socks/stockings. Download each one to have the set. From IninitePlumbob. Dress Hat Stockings
This is a bit Halloween looking but still fun as an outfit for toddlers, dress and leggings. Little Witch From Paogae. See also for grown ups: New Witch, a dress as a Halloween costume. SexyWitch, but it looks almost the same to me.