Product Details: 48 microscope prepared slides of entomology, botany and mammology specimens , entry-level students or home school programs Selected fine specimens from various categories, colored labels enable an easy classification For some slides (like insects ...), stereo microscopes with top and bottom lights instead of compound microscopes give the best microscopy images. These are 48 microscope slides of entomology, botany and mammology specimens included. The slides are made of plastics without sharp edges and are safe. This slide set is good for educational purpose , entry-level students or home school programs. Some slides (like insects ...) are designed for the observation of stereo microscopes that come with top and bottom lights. Compound microscopes may not give you the best microscopy images for those slides. Color: red yellow green blue Dimensions: 62mm x 20mm x 1 mm. Material: plastics Package Contents:48pcs Biological slice (12 pieces for each of 4 colors) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm. _x000D_