Columbia Heights Public Library, 3939 Central Ave NE Columbia Heights, will be having various events throughout July for children and teens. Toddler Storytime: Mondays, 10:30-11 a.m. Preschool Storytime: Tuesdays, 10:30-11 a.m. Mad Lab: Tuesday, July 26, 2-4 p.m. Entering grades K-5, registration required. American Girl Tea Party: Wednesday, July 27 at 11 a.m. and 2:30 p.m. Registration for one time slot required. Manga Workshop: Thursday, July 28, 2:30 p.m. Entering grades 6-12, registration required. Teen Advisory Board: The group meets on the first Monday of each month from 4-5 p.m. The next meeting will be Aug. 1.