Pea Shooter / Blowgun for BBs

This is a stealth pea-shooter and quick-load ammo box for plastic BBs I made for a small friend.
Simply suck up a BB, aim and BLOW!

There is a ridge at the mouthpiece end to stop you inhaling the BB and to provide some 'stiction' and stop the ball dropping out. Light ones are best. I can get a BB 40 feet (12 metres) or so.

Print with a raft as the plate contact area is small.
After printing, give the bore a slight smoothing with a round or half-found needle file and then pass throu