The Vortex I [How to fly] The Vortex I is really an auto-gyro plane. It is thrown high into the air, and as it falls the air rushing past it's 'wings' in opposite directions causes it to rapidly spin, slowing it's decent. --

The Vortex II [How to fly] The Vortex II is also a really an auto-gyro paper plane. It is thrown high into the air, and as it falls the air rushing past it's 'wings' in opposite directions causes it to rapidly spin, slowing it's decent. To make this paper airplane you will need a single sheet of paper, a ruler, some tape and a pair of scissors. It has some upgrades because it spins --