These look like German Christmas ornaments. Would also be good to make with ESL students as a practical application for new vocabulary, especially following directions and imperatives.
I have a couple pans with my name on the bottom and they've been great for potlucks! Here's a tutorial on how to make them. Great idea for wedding or Christmas gifts!
Mix Elmer's glue with food coloring and paint it on to any glass to make it look like seaglass when dry