Created these earrings for my daughter to use for her Ladybug Halloween costume. She doesn't have her ears pierced, so I made them to hold 5x2mm magnets. They are 10mm in diameter, made for a 3 yr-old. So you can size them up depending on how large the earlobe is.

If you're interested in the Ladybug mask, I downloaded it here: https://cults3d.com/en/3d-model/fashion/ladybug-mask-child-4-5-years

License: CC BY-NC - Attribution - Non commercial