Every little airsofter dreams of playing with the old airsoft veterans. Being under 18, you just have to forget about it. You can play with Nerf only. But still, there is a option (in your dream), which is Airsoft vs Nerf.
This short film Airsoft vs Nerf can serve as a bed time story for the active children. And remember: never underestimate a bunch of buddies armed with the cool Nerf guns who are ready for Airsoft vs Nerf.