Things you will need:
-medicine bottle
-bic pen
-thin wire
-small bead
-hot glue

This instructable is how to build a dart gun out of a medicine bottle and i will have the youtube video posted to show you how it works and i will draw a diagram to show you the places that everything goes. When you are all finished be safe and have fun!
Looks like a nice project. However, I can not understand most of what is being said so it is very hard to follow the construction.