A rubber band gun is a toy that shoots rubber bands. It looks like a small gun, but it is not dangerous like a real gun. Instead of shooting bullets, it shoots rubber bands.
When you play with a rubber band gun, you need to put rubber bands on it. These rubber bands are stretchy, kind of like the ones you use to tie your hair. You stretch the rubber band and attach it to the gun. The gun has a place where you can put several rubber bands, so you can shoot many times without having to reload.
To shoot the rubber bands, you need to pull back a part of the gun called the trigger. When you pull the trigger, it releases the rubber band and it flies away from the gun. The farther you pull the trigger back, the faster and farther the rubber band will fly.
But don't worry, the rubber bands that come out of the gun won't hurt anyone. They might tickle a little if they hit your skin, but they won't cause any pain or damage. Just make sure to aim the rubber band gun away from people's faces or anything fragile, like glass, so you don't accidentally break something.
Remember, a rubber band gun is just a toy, and it's important to use it safely and responsibly. Play with it like you would with any other toy gun, but always make sure to follow any rules or instructions given to you by an adult.