Get a foldscope for $20 from their Kickstarter project. https://www.kickstarter.com/projects/276738145/foldscope-the-origami-paper-microscope https://www.kickst

Get a foldscope for $20 from their Kickstarter project. https://www.kickstarter.com/projects/276738145/foldscope-the-origami-paper-microscope https://www.kickstarter.com/projects/276738145/foldscope-the...