this is the classic projectile propeller
you will need:
-a pen (as shown in the picture below)
-a pair of pliers (or your teeth if you don't have pliers handy)
-a pen (as shown in the picture below)
-a pair of pliers (or your teeth if you don't have pliers handy)
first unscrew the back
then pull out the thingy in the tip
arrange them like this and slide the entire inner contraption to the bottom
this is how you shoot it!
pull it back
and let it fly!