Potter Halloween Party. Limited Edition. Comes in 15mL Jar.  This mix has a lot of pieces and you may not get all the same pieces you see pictured in each jar. Great for arts & crafts, resin, slime, shaker charms. The small harry potter clay pieces are 5mm and the largest is 10mm. Some pieces won't work with nails or snowglobe tumbler cups.. Please conduct your own testing before using in final project. Not Edible. See how big a 15mL jar is at this link: CLICK HERE