Is your babysitter tied up with his or her own Valentine's Day adventure?  Have no fear, Bucktown's Easel Art Studio at 1911 N. Milwaukee Ave. will be hosting a four-hour class from 5-9 p.m. Thursday.  Drop off the kids, and they will take part in an evening of activities including art, dance,  stories and dinner. Reservations are required, at 773-360-1720 or easelartstudio@gmail.  Cost is $45 per child, ages 4 and up.