Much like an Olympic training center or a toddler who accidentally drank espresso, frozen yogurt is known for its active culture. Enrich your insides with today's Groupon: for $5, you get $10 worth of frozen-yogurt treats at Yumilicious in Plano.

Yumilicious's founders fine-tuned their low-calorie, gelatin-free yogurts over two years of taste testing and now serve more than 40 palatable flavors. Grab a cup or a friend's cupped hands and pump any mixture of the shop's variety of smooth, tart self-serve flavors on tap. Although flavors rotate regularly, desserters can expect palatable options such as avocado tart, red velvet cake, mango tart, and cookies and cream. All of Yumilicious's blends contain live and active cultures, which support healthy digestive and immune systems and make the body 10 times more likely to power walk. Crown swirled sweets with fresh fruit or dry toppings, including cantaloupe, kiwi, Fruity Pebbles, cheesecake, and gummy bears. Once treats are perfectly peppered, a final weigh-in determines each creation's price ($0.45/oz.) as well as its conversion rate in penguin dollars.

Savor sundae spoonfuls amid Yumilicious's high-tech confines. Wii video games and Rock Band jam sessions re-energize hands frozen around cups, and the buzz of free WiFi soothes cranky smartphones to sleep.