10 Best Ideas of the Week: Heart-Shaped Pretzels, a Mason Jar Mosaic, Baby Sharks

By Jenny Berg August 22, 2014, 7:00 AM EDT

Photo: Jamie McCarthy/Getty Images for DKNY

This week's roundup includes a baby shark petting tank in Los Angeles, heart-shaped pretzels from the maker of the Cronut in New York, the world's largest Mason jar mosaic, and appetizers served in baseball mitts.

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