While Mod Podge is a great product and we love it, if you need to use a lot of it, it could get expensive. You can choose to make an alternative solution that is similar to Mod Podge using white glue and water. Here are two recipes for making it homemade.
Do one for everyone and put small things in middle (money, gift card, Chapstick, etc.). Could do for any holiday or occasion (use different colored M&M's) - cover paper towel roll, adhere and put inside mason jar. Fill around the roll with favorite candy.