Knex Grenade

 this is a good real exploding grenade. its very good for knex wars.
pros: 
it explodes
has a safety
uses only a few parts
cons:
you must rebould it every time you trow it away.

lets get start! 

Step 1: The Grenade.

 1:the parts
2:make
3:attach
4:continue the patron

Step 2: Rubberband Placing and Safety

 1:put it on
2/4:other view
5:take
6:attach
7:put the rb on