Who Made the Cheese? After conducting the experiments in this kit students will have gained a better understanding and a deeper appreciation of the role bacteria play in food production. Includes: 4 qts. dry milk, 15 insulated plastic containers, 1 btl. Lactobacillus capsules, 1 drop controlled bottle milk clotting enzyme, 1 bottle sodium chloride, 1 pkg. stirrers, 1 pkg. cheesecloth, 30 students workshets with guides, 1 instruction manual with MSDS.