Memories of this wax paper and melted crayon project may or may not be intertwined with homemade flubber or goop experiments involving Spray Starch and... other things? Once you've decided what colors you'd like to incorporate, the hardest part is sitting there for an hour at the pencil sharpener while you create enough shavings for the mobile of your dreams. "Is this a proper use for a food processor?" one wonders. Probably? A good rule of thumb: if you haven't touched the food processor in over a year, it is okay to start using it for the pulverization of non-food items, as long as they are the consistency of a cheese. Any cheese.