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.
This would be so simple and elegant for a winter wedding tablescape / centerpieces.Create a simple centerpiece with holly in little vases. Fill with water and then add a tealight. (One of 8 diy candle projects)