This week’s Thursdays in Pella activities are celebrating a birthday of a long-standing business in the community. This week’s theme is “Happy Birthday the Jaarsma Way,” which will including inflatables, a rock climbing wall, cotton candy, sno cones, cake, face painting, a dunk tank, and balloon animals from 6 to 8 p.m., with birthday games for all ages taking place on the Tulip Toren at 6:30 p.m., and the city band wrapping up the evening at 8:00. The KNIA/KRLS Lil’ Big Red Radio is broadcasting from every Thursdays in Pella this summer.