Children’s class demonstrations and character appearances from Elsa and Anna from Disney’s Frozen are part of a free day of family activities at the Leventhal-Sidman Jewish Community Center in Newton.  Winter Wonderland – A Day of Family Fun takes place on Sunday, January 8 from 9am-12pm. Families with young children can take a sample soccer or hip hop dance class. Free swim evaluations for the JCC’s Lenny Krayzelburg Swim Academy will be available. The event also includes a bounce house, face painting, drawings, refreshments, free photos, giveaways, and a one-time discount on class registrations. The event is open to all. The JCC is located at 333 Nahanton Street in Newton. For details, visit bostonjcc.org/winterclasses or contact 617-558-6411.