Active cultures maintained all year. For use with the Effects of Drugs kit (SB08039G). For a class of 30. NOTE: LIVE MATERIAL SHIPMENTS UNDER $15.00 Due to special handling necessary to ensure live delivery, a $7.00 service charge will be added to shipments of live material totaling less than $15.00. Nonliving items coded with an (LM) suffix can be shipped with live material to increase value of shipment.