Warm up this winter by jumping and tumbling as you and your child play a variety of group games, climb through obstacle courses and create silly movement motions. Children and adults are active participants in this class as we get our whole bodies moving! Geared for children ages 0-2 years, with adult. Class is eight weeks long and will be held on Mondays, from January 9-March 12 from 9:30-10:15am at Temple Israel (145 Hartford Street) in Natick. Cost is $90. Open to the entire community. Register at www.bostonjcc.org/metrowest. For more information, contact metrowest@jccgb.org  or 508-879-3300.