Tyke enters the kitchen, sizing up his snack. He lunges, grabs it, and takes a voracious bite. Crack! Tyke’s loose front tooth goes flying. It’s a KO, and Mom goes wild! But Tyke’s not down for the count. Mom sends his befallen pearly white to Oregon artist Kim Kovel of Le Knockout, who makes molds of children’s teeth and fashions them into unusual jewelry charms.

Available at leknockout.com, $299-$495.