1. The Lyman Estate will hold a spring herb sale at 10 a.m.
2. The Waltham Public Library will host a children's play group at 11 a.m.
3. Supershag Dance Studio will host a Cinco de Mayo party at 8:15 p.m.
4. TGIF! The weekend is here and see our Get Out column for things to do.
5. The International Steampunk Festival will descend on the city today!