The phrase "preschool kids" refers to young children who are too young to start elementary school. They typically attend preschool to learn and play before going to kindergarten. Full definition
These are great activities and crafts for preschool kids between 3 - 5 years old. (kidzactivities.net)
Positive discipline can work well with preschool kids through teenagers. (verywellfamily.com)
I don't have kids, but one of my best friends teaches developmentally challenged, urban preschool kids, and I go read to his kids once in a while. (5minutesformom.com)