private static void initBundledImages() {
   bundledImages.put("Control", images.control());
   bundledImages.put("Logic", images.logic());
   bundledImages.put("Math", images.math());
   bundledImages.put("Text", images.text());
   bundledImages.put("Lists", images.lists());
   bundledImages.put("Colors", images.colors());
   bundledImages.put("Variables", images.variables());
   bundledImages.put("Procedures", images.procedures());
 }