For Skirmish Dday you have to call. I assume it is the same for Oklahoma and other big dday games also.
Yes, the limit at most places is 10 to play, but you will need a parent to sign your waiver.
You need lots of insurance and players to sign waivers.
A Co2 gun can go up to 300 fps. Sling shoots only get a paintball up to 240.
8 years old (Mini Paintball) and up.
There is no licence required to own/play paintball. You must be 10 to play, and 18 to buy almost anything related to paintball.No, there is no permit or license required to purchase or operate a paintball marker. However you must be at least 18 to buy one.
A CCI Phantom is a paintball gun. Paintball guns are used to play the game of paintball. You can learn more about Paintball at the Wikipedia. Once on the page, type "Paintball" into the search field at the top of the page and press enter to bring up the information.
You should be alright as long as you have a sign up that says "no trespassing". I used to use my paintball gun on teenagers. It sure showed them that "no trespassing" means no trespassing.
If your talking about Paws Up in Montana, then yes they do.
Park City already has a few sites and areas for paintball. If you google "Park City Paintball", a list of sites will come up.
12 and up
In general, most paintball players are 13-18, but that changes in every area. The insurance required age is 10, but you must be 18 to sign your own forms.