Become a hero and save three lives at Wayzata’s National Honor Society Blood Drive. Through the Memorial Blood Center, you can help sustain lives in the community by just donating blood once per season. All blood types are needed, especially O negative and O positive. Ages 16+. Free. Open through school day. Wayzata High School, 4955 Peony Lane N.; 763.745.6600; wayzata.k12.mn.us