Maybe Christmas Doesn't Come From A Store. The largest clay Grinch heads are 10mm and the smaller ones are 5mm. This mix has clay, beads and rhinestones. This will come with a total of six 12mm small glass charms of Grinch Head, Cindy Lou Who, Max Dog, Grinch In Santa Suite, Grinch Full Body, Max With Horn. Great for arts and crafts.  Please conduct your own testing before using in final project. Not Edible. See how big a 15mL jar is at this link: CLICK HERE