Prepared slides come in 4 boxes of 12 slides in each covering a wide variety of specimens. Red slides: insect parts; Green slides: vegetables; Yellow slides: flowers and plants; Blue slides: animal. For some slides like insectsstereo microscopes with top and bottom lights instead of compound microscopes give the best microscopy images. Manufacturered by hothuimin. It is great addition to beginner's microscope kit for children and students. Children microscope specimensonly for children toy microscope fun. SAFE PLASTIC SLIDES: Unlike typical glass slides these plastic slides with no sharp edges making it safe for children's access.