No.
No it is not.
No, you may only have a paintball gun on property you own or at paintball parks.
Typically, no.
There is an immense amount of parks in the MO, and Kansas area. This site should aid: http://www.mopaintball.com/fields.php
Yes, without permission.
paintball fields or on their property.
All paintball parks allow co2, just based on the fact that its the most common type of air used for paintball.
people who play paintball play because some of them want to be in the military or law enforcement or to experience paintball
a paintball arena is an indoor paintball field where they usually play speedbal
It depends on where you are playing paintball but i think an 11 year old can play paintball :D
At paintball facilities, or their own property.