Charleston’s art and science museum has planned several opportunities for kids to learn something new before going back to school in the new year. Winter WonderLabs are returning to the Clay Center, offering thematic STEAM sessions: Saturday, Dec. 27: Frosty Storms, Monday, Dec. 29: Frozen Biology, Tuesday, Dec. 30: Arctic Art. Organizers said sessions are included with museum admissions and will operate at 11 a.m. 1 p.m .and 3 p.m. Additional information on labs and current exhibits may be found online at theclaycenter.org.