All 19 YMCA Twin Cities locations invite parents to think ahead at this three-day summer programs fair, where they can take advantage of discounted rates for early registration. Children enjoy snacks, games and indoor activities, while guardians learn about summer day camps and programs offered at their local YMCA. The Southdale YMCA has diverse full- and half-day options, running from June to September, including Summer Power and Summer Sports Sampler, which give children ages 4-18 opportunities for physical activity, development of healthy habits, artistic creation, scientific discovery and socialization. It is also home to the Tri-City Skate Park, which accommodates skateboards, inline skates and free-style bikes. Free. 9 a.m.-12 p.m. Southdale YMCA, 7355 York Ave. S; 612.230.9622; ymcatwincities.org.