How to make a Nerf grenade

I know this isn't original, so just give me credit for extra darts

Step 1: Step: 1 Materials

Materials:
21 Nerf darts (Streamline) 
1 small rubber band (The smaller the better)

Comments

[kve23]

You could leave the rubberband at the tips but add another at the other end to keep it together... http://www.instructables.com/id/Pull-Pin-Nerf-Grenade/