Chicago — Guinness Book of World Records Judge Kimberly Partrick, right, inspects and certifies the world's largest chocolate bar, weighing in at 12,190 pounds and measuring 21-feet long, 3-feet high. The bar, made by Chicago-based World's Finest Chocolate, a leader in chocolate fundraising products, will tour schools across the United States as part of a portion-control education campaign called “Think Big. Eat Smart.” (PRNewsFoto/World's Finest Chocolate, Brian Kersey)