This crazy contraption is actually a fully automatic BB gun! See how to build a homemade BB machine gun.
This bunch of stuck-together parts is actually a homemade BB machine gun, capable of shooting fully automatic.
You can buy the plans to make your own homemade BB gun here.
A bicycle pump and a refrigerator compressor become the power source to make this compressed air BB machine gun.
This little toy just might be the DIY project to get over that dreaded cabin fever this winter.
Happy tinkering and wear your safety glasses!