Perfect for Student: These entry-level stereo microscope prepared slides are popular using in basic lab teaching education of entomology, botany, and mammalogy. Keep Safety in Microscopic Observation: Made of plastic material (no sharp glass edges), these specimens are safe for your children when doing the DIY-science Observation. Selected Fine Samples: Buy and use it directly! Colored labels (labeled with specimen identification) enable easy classification from various categories. Package Protection: Samples are sealed with a coverslip to preserve specimens. Size: 60mm(2.4in) x 21mm(0.8in), 12 pieces specimens per one box. Bysameyee microscope slides prepared plastic microscope samples for kids children