See the invisible with a powerful yet affordable microscope that fits in your pocket. Curiosity, discovery, and science for everyone!
A microscope in every pocket is surely a great idea.
They also have a journal article on PLoS ONE. 
J. Cybulski S., J. Clements, and M. Prakash, “Foldscope: Origami-Based Paper Microscope,” PLoS ONE, vol. 9, no. 6, Jun. 2014 [Online]. Available: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0098781 [Source]