Free. Learn how Alexander Calder made some of the first art mobiles; then make your own using natural materials collected outdoors, such as unusual branches, sticks, and other found objects. Enjoy an opportunity to work with your child on a creative project. Older children may delve into projects on their own but parents are asked to stay and work with children under age 7. Drop-in for all workshops, free of charge, on a first-come, first-serve basis.