I use mine to mix salad dressing in. I like mix it up fresh every time I make a salad. The little jars are the perfect size, and the lids close tightly enough that I can just pour the ingredients in and then shake shake shake until they are emulsified. They take up less space in the fridge if I have extra, too.
We use them for camping. We put sugar in them or other little things. We then put the containers in a coffee pot and surround them with toilet paper tubes so they don't bump and break each other.
for the magnetic ones, I put paper clips and push pins in them and keep them on my fridge.
This is such a great question, I've often wondered what I can do with these empties!
I just had a thought - you could use them to put shampoo/conditioner in for short journies, I think I will do that when I pack my hospital bag this time!
Follow Mothering