Ayla would love to have one of these for her crayons/ colored pencils/ markers. I'm thinking with colored cups that she can paint herself :) Use a wine rack and large cups to store markers, colored pencils. for paint markers and such.
Whether you have an entire room, closet or just a small corner in your home dedicated for creating and craft supplies you are going to want to take a look at these fabulous Craft Room Organization and Storage Ideas.
Use a magnetic board and favor tins to organize small things vertically. I'd like to put my spices in the tins, to save space in the kitchen! This link includes lots of great craft storage ideas, including using closet organizers for craft supplies.