Use Scentsy travel tins maybe? A list of totally feasible ways to organize your entire home." There are some really great ideas here, like the one pictured here. Organize small items in Altoid tins so they don't get scattered around the drawer.
Mix & shake your own custom washable paint colors. The Crayola paint maker kit makes 15 paint pots and uses a new paint strip technology to reduce mess. Buy refill packs to make even more custom paint colors!