With prepared and blank slides, additional accessories and a choice of lighting, the National Geographic Ultimate Dual is a great all-in-one microscope kit for young biologists and geologists.

Want to take pictures like these? No amount of macro is going to help you there; you need a true microscope accessory, and fortunately Nikon wants to sell you one. For just under $1400 ...

OK, so you can't bring a microscope everywhere with you. But you can certainly take this 3D-printed version, designed to clip onto your smartphone and work with its camera. SEE ALSO: Put your ...