BRICKMASTERS LEGO building experience for children is 10 a.m. at Burlington Public Library, 210 Court St. No registration is required.

MATT AND EMMA featuring David Katz free performance is 7 p.m. at the Night Cap Listening Lounge, 211 N. Third St.

MERRY MULCHMAS is 10 a.m.-noon at the Burlington train depot. Bring your free-of-all ornaments and tinsel Christmas tree; Burlington Parks and Recreation will mulch it for free. Or, to schedule a tree pickup for a freewill donation by Boy Scout Troop 3, text your name, address and phone number to (641) 919-6120 or message the Troop 3, Iowa’s Oldest Facebook page.

THE RINK opens at 2 p.m. with $10 admission including skate rental at Memorial Auditorium, 200 N. Front St.