Uptown Glassworks is celebrating the Fifth Annual Downtown Renton Art and Antique Walk on Saturday by offering glass-blowing lessons.

The free 30-minute lessons run all day, 11 a.m.-6 p.m., at the studio, 230 Main Ave. S.

To reserve a time, call the studio at 425-228-1849. Availability is limited to 12 time slots (maximum of two people, 12 years or older, per slot), and reservations will be filled on a first-come, first-served basis.

Walk-ins will be accommodated when possible.