AmScope 100 PC Prepared Biological Microscope Glass Slides - Set A is a 100-piece very nice microscope prepared slide set of various plants insects and animal tissues (SET A). The slides are cover-slipped and preserved in cedar wood oil. They are premium accurately stained and machine cleaned slides that will give a sharp image. All slides are carefully labeled for easy reference and are arranged in a fine crafted varnished wooden case with brass hardware. This slide set is a rare mix of 100 prepared slides from which students can find a lot of fun. This set is excellent for educational use and is perfect for all levels of student study including home school program. It is brand new and has never been used so your slides will be clean and free of scratches or damage. There is no risk of contamination from previous use.