Though smaller than their full-sized brethren, cupcakes enjoy riotous popularity due to their decorative wrappings, colorful frosting, and catapult-friendly shape. Enjoy mouthwatering sweets on the move with today's Groupon: for $25, you get a cupcake walking tour from Chicago Chocolate Tours (a $50 value). Sink sweet teeth into the downtown Loop Tuesdays at 2:45 p.m., or the Gold Coast Thursdays at 4:45 p.m.

A Chicago Cupcake Tour explores the essential qualities of fine cupcakes, the cupcake's recent rise to prominence, and Chicago’s best cupcakeries, led by a tour guide made of cupcakes. Spend a Tuesday afternoon exploring the rich, sugary center of the downtown Loop, seeking bites from tasty sweet houses such as Sarah's Pastries & Candies inside Macy's and Flirty Cupcakes. The Thursday-afternoon route parades through the confection shops of the Gold Coast, conquering cakes for the motherland at Swirlz Cupcakes and more. You'll be fed tastings of rare and exquisite cakey treats from the city’s paramount bakers and boutiques, all while learning small bites of cupcake trivia and tickling tonsils with selections from a goody bag to go.

Tours take place at the locations listed but customers must redeem their Groupons online.