In microwavable bowl, microwave candy melts and shortening uncovered on Medium (50%) 2 minutes, then in 15-second intervals, until melted; stir until smooth. Dip tip of 1 lollipop stick about 1/2 inch into melted candy; insert stick halfway into 1 cake ball. Repeat. Return pops to cookie sheet. Refrigerate 5 minutes; remove a few at a time. Dip each cake ball into melted candy to cover; tap off excess. Immediately sprinkle with sugar mixture. Poke opposite end of stick into foam block. Let stand until set. Use remaining melted candy to attach candy eyes, candy corn pieces for feet and orange candy for nose. Spoon melted candy on tops.