... can be mixed packing by 100/50/30/26/25/15/10/set,lots of slides for ... 1.Different kinds of slideOriginating from a biology lab of the Henan Normal University in 1958,we ... in wooden or plastic box8)Packing 100/50/26/25/15 pieces plastic or wooden slide box ... slides box, biological specimens, teaching models, experiment materials, lab educational instruments, teaching wall charts, screen sheets, books, ...