Why spend $299 on the AAXA P4 P4X Pico Projector, when you could build your own projector on a shoestring budget? All you need is a shoebox, magnifying glass, paperclip, hobby knife, duct tape, and black tape if you want a sleek finish. Simply follow the steps above, and in a day (or two), you'll be enjoying smartphone projected YouTube videos, photos, and more. Click here to view the first image in today's viral picture gallery. Continue reading for a viral video of the world's largest urban zipline.