DIY crayons. You may do this with any rubber muffin or ice cube tray. Santa's and snowmen are fun
I loved her original ones, and now she has a tutorial out there, too cute, Roo definitely needs one.
Fill foil liners about two-thirds full with unwrapped crayon stubs in assorted colors, place in a muffin tin, and bake at 275 degrees until melted (about 10 minutes). Then freeze for cool colorers with zigzag edges.