I was already doing pencils and stickers years ago to avoid handing out those candies that use child slave labor to produce their chocolate. I hadn’t even thought about food allergies, but this is such a great idea. Last year I heard about it and painted a pumpkin teal. I don’t think too many people in our small city know about it, but I hope it continues to catch on.
Do It And How 
I was already doing pencils and stickers years ago to avoid handing out those candies that use child slave labor to produce their chocolate. I hadn’t even thought about food allergies, but this is such a great idea. Last year I heard about it and painted a pumpkin teal. I don’t think too many people in our small city know about it, but I hope it continues to catch on.