This Slides Staining Kit consists of 3 types of stains to help view different sections of plants and animal tissues as well as bacteria’s and protozoa’s. This set is a welcome addition to any home or professional lab and is essential in micro organism studies. The Kit includes the following Instructions Test Tube Dropper Hematoxylin Stain Gentian Violet Stain Methylene Blue Stain Warning: This kit contains chemicals that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by children except under adult supervision.