I don't write many reviews but I wanted to describe this excellent scientific product. First, the 25 pre-packaged slides are meticulously crafted and way better than some of the other slides I've reviewed in cheaper sets. The slide selection will satisfy any aspiring science student! Second, I think the brochures really make this kit stand out. The guide to preparing and staining slides and 25 biology lessons under your microscope are carefully written and beautifully illustrated. This set is more expensive than some of the other pre-made slide sets, but I think the written material more than makes up for the price. Third, the R's Science website provides excellent support and additional learning opportunities once you start using the microscope. In general, I would advise anyone just starting out with microscopy to consider this kit. I think you will be satisfied.