Grand Prix de la Mayonnaise

Sunday, Sept 30, 10 a.m.–4:30 p.m.
Brightworks (1960 Bryant St.)
In this exciting team-building and charity event benefitting Brightworks, an innovative K–12 school, teams sponsored by top companies will build and race their own hybrid electric/human-power vehicles. $5–$10, 415-701-8700, www.brightworks.org/grandprix