Staining racks are used to hold microscope slides during staining. Mostly used in pathology, microbiology, and histology labs. They allow multiple slides to be stained at once. Students dip the rack into different staining solutions. Prevents slides from touching each other. Helps achieve even staining. Made of metal or plastic for easy cleaning. Supports common stains like H&E and Gram stain. Essential for slide preparation and teaching.