Break the glow stick in two and then dump the contents inside the jar. SO creative.
Mason jars are so versatile, and uses for Mason Jars range with everything from food, to decorating, to organizing and more. If you are a huge re-purposer, you have can find Mason Jars to be a wonderful value! You can find them at yard sales and thrift stores for pennies on the dollar, but even at full price, they are a decorating steal!