You will need
2.a cutting tool
3.a bic pen
4.a nail or screw
Step 1: Taking a Part the Pen
you did to start by taking a part pen . and throw every thing away but the tube of the pen and the cape.
Step 2: Making the Tip of the Dart.
take the nail or screw you have and tape the end were the x is.
then take the cap and push the nail or screw in to it.
Step 3: Attaching the Tube
then attach the tube to the cap just like you would a real pen.
and then cut four line's and the end where the cape is not at.
you wont to cut the fout line at the right ,left, bottom right and bottom left of the tube.
Step 4: Taping the Fin
to make the fin you need to fold the paper in hafe ,then fold it agin intell you get a smaller paper then before then on fold it
Step 5: Finshing the Fin
then cut out one of then four squres and fold the squre like you would a paper tip. then fold the tip back but mkae shore it is steal o the paper. the cut off the paper that you don't need. then fold the squre into a smaller squre. and then push then paper inwerd and attach it to the four line's on the back of the pin.