A Very Colourful Witch Outfit for Children

This is a set of three: skirt, shirt, and stockings, from Birba32. I think you could have them worn together or with plainer clothes if the set is too much colour all at once. I think its fun, especially for kids.

Vampire Teeth for Children and Toddlers

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.

Dress Your Toddler Like the Mad Hatter

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!

Toddler Witch Outfit with Striped Leggings

This is a bit Halloween looking but still fun as an outfit for toddlers, dress and leggings.

Little Witch From Paogae.

Persephaney Has Alice in Wonderland and Raggedy Ann Costumes for Girl Sims

Alice in Wonderland

Raggedy Ann

and others.