this is how it will turn out. hope you enjoy.
Step 1: Pieces
5 rubber bands
Step 2: First Thing
take a rubber band and connect 2 pencils together like so.
Step 3: Second Thing
take a rubber band and connect this last pencil like so
Step 4: Last Thing
take 2 rubber bands and put them on like so
Step 5: Loading
put the rubber band on the eraser and put under pencil on top.
Step 6: Shooting
press on the pencil in the back to shoot.