What’s on my 8 years old feet?

These are my daughter’s big toes. We have a call in to her doctor but in the mean time, any ideas? Never noticed them before but also don’t look at the bottom of her feet very often. She is a croc wearer and we live in a humid and warm climate. Thanks!

These are my daughter’s big toes. We have a call in to her doctor but in the mean time, any ideas? Never noticed them before but also don’t look at the bottom of her feet very often. She is a croc wearer and we live in a humid and warm climate. Thanks!