2x2 Newton Barrel

This is the Newton Barrel, basically a ghosted 2x2 barrel, named after the great mathematician Isaac Newton. You will need to buy a 24mm keychain 2x2 cube like this one as the core: http://www.cubezz.com/Buy-4231-XM+2x2+24mm+Mini+Magic+Cube+Keychain+Black.html

Have fun with the puzzle! Check out the 3x3 ghost Barrel 3D-model made by cuboxis: https://www.thingiverse.com/thing:2762314