Mason Jar Science - For grades K-3. Using home available ingredients, do real science in a Mason jar! Make clay, a balloon barometer, bend light, create crystals and grow a plant. Register beginning December 19 to reserve your jar and other supplies. A video will be released on 5 consecutive Wednesdays: January 13, 20, 27; February 3, 10. Supplies will be available on the Children's cart starting January 8.