Pop into the Potomac location of Colada Shop (7993 Tucker Ln., Potomac) for their coffee festival cocktail class on Friday, October 7. Register here to learn how to make two delicious coffee cocktails while munching on a complimentary snack. The event starts at 6:30 PM and tickets are $35. Take your Instagram shots to the next level on Saturday, October 8 with this FUNdementals On the menu: coffee cocktails, Oyster Wars, and an all-dessert dinner.