For a class of 30. What is it? A protist? An animal? Despite its confusing taxonomic status, the creeping slime mold, Physarum polycephalum, is still an attention getter for your students. Students can follow through the life cycle observing the active plasmodial stage and the inactive sclerotial stage. With teacher instructions. Kit contains coupon for prepaid delivery of perishable materials. Return coupon at least 2 weeks prior to requested delivery date to ensure prompt arrival of materials.