Without the promise of sweets, mouths would never have the patience to stay open during dentist's appointments or closed during beekeeping demonstrations. Keep mouths copacetic with this Groupon. $15 for $30 Worth of Cakes, Cupcakes, Cookies, and Coffee Drinks Full-sized cookies (starting at $1), cupcakes (starting at $2.50), and cakes (starting at $25) tempt visitors, while bite-size cookies, bars, and cupcakes (starting at $0.75) encourage customers to sample a variety of sweets. Base flavors include chocolate, Italian wedding cake, and peanut butter, with assorted frostings and fillings available. See the full list of treats.