First things first; Flinging Foam is a lot of fun however you are firing projectiles at others so before you think about playing it is best to make sure others are happy wt the idea of being hit by at times are rapidly moving object.
Unlike paintball Foam Darts rarely leave a mark on the skin. they can though be very dangerous if aimed at the eye. In this regards the most important piece of safety equipment you will need is a pair of safety glasses. It may seem like an overreaction but this is not Health and Safety gone mad instead it is a way to enjoy an activity even more by removing the biggest risk factor associated with it.
A quick search on Amazon will find you a number of options to purchase from the region of £6 pounds and upwrads for four pairs. We have six pairs of kids glasses as well as a number of wrap around glasses for adults. The reason for this is so when friends come over we can give them the tools they need to be safe.
Our biggest rule with Nerf is no eye protection no play.
You will find a link to the glasses I use use on the link to the left of this post. There are other options and some may be better or worse but we have found them great for our needs.
Our Rules for Nerf
2. Stop means stop. When the word is shouted everyone stops Immediately
3. Never look down the barrel of a Blaster
4. No Point Blank Shooting
5. Don't be threatening
6. Play by the rules and have fun