These remind me of mandalas. We could get stones and do mandala zendoodle art on them, and then write a simple encouraging message on the back for baby girl. Make a nice fabric bag for her to keep them in.
Diy How to make a rag rug!easy to personalize & super cute for kids rooms and bathrooms. Great idea for Christmas gift for my kids! :-) There is another post of a kids room that you can use this rug to help create that design.