Columbia Heights Library, 3939 Central Ave NE,  763-706-3690, www.chplmn.org. Creating Clay Snowflakes: A class for littles and their caregivers. Monday, Dec. 9, 10:30-11:30 am. Ages 1 to 5 are invited to craft creative snowflake tiles with their caregiver using white clay, a variety of stamping and texture tools and colorful clay paints called under glazes. Just like real snowflakes, no two tiles will be the same. Non-toxic materials that will wash out of clothes will be used,  but please prepare…