Have a crumby week.
What: You knew it was coming. At last, the sweet treat hub has landed downtown, and even the frosting shots are worth waiting in line for.
Why: Key lime and Summer Cherry ring in the season.
When: Opens Mon. Mon.-Sat., 9 a.m.-7 p.m.; Sun., 10 a.m.-6 p.m.
Where: 50 E. Walton St., b/t Michigan Ave. & Rush St. (312-573-1600).
Month at the Museum Experiment
What: Be the token guinea pig chosen to live at the Museum of Science and Industry this fall — and blog, tweet, and post to Facebook about it.
Why: A chance to sleep in the U-505 submarine. The $10,000 prize doesn’t hurt either.
When: Applications due Aug. 11. Experiment, Oct. 20-Nov. 18.
Where: Download an application online at monthatthemuseum.org.
Habit Summer Sale
What: Score up to 50 percent off everything in the store, including Emma Carroll Etc. leather jewelry and Filly dresses.
Why: The deals are habit forming.
When: Thru July 31. Tues.-Sat., 11 a.m.-7 p.m.; Sun., noon-5 p.m.
Where: 1951 W. Division St., at Damen Ave. (773-342-0093).
What: Go to the head of the class with up to 70 percent off flirty dresses and old-school jumpers.
Why: Our fave geek-chic ankle jeans are just $29 (reg. $88).
When: You’re feeling a little bookish.
Where: Online at swirl.com.
Potter’s Lounge Secret Spirits Society
What: Swill Three Olives vodka while you learn about how it’s distilled and flavored at the speakeasy-inspired lecture series ($25).
Why: Chef Phillip Foss’s appetizer pairings make everything go down smoothly.
When: Tues., 6-7:30 p.m.
Where: 17 E. Monroe St., at Michigan Ave. R.S.V.P. to 312-917-3404.
Luxbar Sustainable Seafood Class
What: Chef Danny Salgado partners with Shedd Aquarium’s Right Bite program for a demo ($25) of prepping and filleting. He’ll share a few choice recipes, too.
Why: Nothing fishy about his Alaskan-baked cod with brandade, popcorn, and green beans.
When: Wed., 6-8 p.m.
Where: 18 E. Bellevue Pl., at Rush St. R.S.V.P. to 312-217-8041.
Photo: Courtesy of Sprinkles Cupcakes