Eat: Feast on all things spring at Eataly’s SpringFest, back for a night of all-inclusive, all-you-can-eat food and drinks April 29. Do: Go on a shopping spree at the bi-annual One of a Kind Show, with more than 300 artisans selling their wares in Merchandise Mart April 29-May 1. Do: Marvel at the Lincoln Park Conservatory’s spring flower show, Pillars of Spring, before it departs May 8.