The item was received as advertised. It is part of a curriculum requirement in biology. This item, used in a lab setting, will help the student to understand in more depth than just a textbook about biology.
Apologia is academically challenging yet delivers the material in such a way that it is easy to understand and fun to learn. Most experiments are done with typical household items. Many times I have told my kids that "I never got to do that kind of cool stuff in my science class when I was a kid." Apologia is the way to go!