This instructable will teach you how to make a pull pin nerf grenade that explodes on impact and has a 3 to 5 foot blast radius.It sprays 4 streamline nerf darts.This is non-pyrotechnic so you can use it in indoor nerf wars and battles.
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Step 1: Matierials
You only need a few household items.
1. 4 streamline nerf darts
2. 2 small rubber bands(about the size of the ones in the picture)
3. 1 key ring
Step 2: The Pull Pin
Take one of your small rubber bands and put it on the key ring like so.
Take your four darts and make a rectangular prism out of them like the picture. Fold the rubber band like an eight then over to make a smaller and tighter one.Wrap that around the bottom of the darts like so.
Step 4: The Other Rubber Band
Wrap the other rubber band around the tips or or close to the tips like the picture. Before you do that do the rubber band thing we did in the last step.
Step 5: Done
Now the grenade should not go off if you throw it. To set for detonation pull the pin with the rubber band off and throw the grenade (tip first) hard and at a hard surface. or at your enemies >=) mwahahahahaha!!!!!!!!!!!!