Paper airplanes are wonderful little creations that just about anyone can make. Whether you're a student or a professor, you can still find uses for these fun aircraft. With their fundamentally cheap materials, paper airplanes are perhaps the least expensive entertainment ever made. Because the materials are so cheap and ubiquitous, it is an easy, low-cost pastime anyone can approach. 

Here are a few great models you can develop the ultimate origami aircraft from!