Non standard unit of measure + valentines day cuteness! Could also have kids estimate how many kisses tall they are before measuring!
Heart Love You Baby Handprint Art - Personalized Baby Nursery, Child's Room, Parent, Grandparent Gift
Looks like a fun and easy decoration for Valentine's Day
Valentines Crafts for Kids
Our-Little-Love-Bugs-- the blogger has links for heart-shaped "love bug" ladybugs, too.
Easy Valentine Craft