Original suggestion is "nail polish + recycled lightbulbs for garden art." I think they'd make cute Christmas ornaments, and there has to be better paint and glazes than nail polish, with its tiny brushes.
Christmas DIY: Clay Owl Ornaments - Clay Owl Ornaments - so easy to make from a simple circle of Clay! DIY ornament DIY tree decor DIY decor DIY garland decor make a few or dozen and paint them different colors then add them to a garland or tree
Love the idea of a NOON Year's Eve Party for kids! New Year's Eve Balloon Drop. How fun! She did it for her kids' "Noon Years Eve Party." That's smart, too! That way kids get to join in on the fun, but are still in bed by their usual bedtime.