Each Carolina™ Protozoa Slide Set includes a living protozoan culture and a prepared microscope slide (w.m.) of the same protozoan. The living culture is enough for 30 students. Each set also includes 30 plastic concavity (culture) slides, 100 unbreakable plastic coverslips, and a disposable plastic pipet. Some sets include Protoslo®, a clear liquid for slowing motile protozoa.