Pen Gun

Cool and easy pen gun all u need is a orange knex,bic pen,tape,and two rubberbands

Step 1: Get the Materials

get your bic pen,2 rubberbands, orange knex peice,and your tape

Step 2: Taking Apart the Pen

all you keep is the red outer tube part

Step 3: Tape the Bands

Tape on the rubber bands (YOU CAN USE MORE THAN 2 I RAN OUT THE MORE THE BETTER)

Step 4: Stick the Knex In

simpley put the knex in then tape the bands to it

Step 5: Fire!!!!!

put any thing that can fit in the barrel in and pull the knex back and let go (keep holding on to the red tube) HAVE FUN!!!