Dont throw pizza boxes, make VR boxes.

Virtual reality may be one of the most important new frontiers in tech. With Google Cardboard you can turn your Android smartphone into a low-cost virtual reality headset. You can experience virtual reality in a simple, fun, and inexpensive way. Google posted Cardboard's cut-out design files online, so anyone can make the kit even out of a pizza box. You can use the experimental VR Toolkit to build your VR worlds.