Friday, June 2, 3–4:30 p.m., Blaine Public Library, 610 3rd Street. This popular drop-in program is back for the summer. Use Snap Circuits to explore the basics of electronics while you build exciting projects such as a flashing light, an alarm, a doorbell and more. Fun for ages 5 and up. Limited to first 12 kids. Parental supervision is suggested for younger children. Info: 305-3637.