Introduction: Knex Frag Grenade That Acrually Works!!
You wind up the grenade clock wise throw tit into the air and take cover!!
Step 1: Needed
you will need all of this to build the frag grenade
Step 2: Step Two
Take two blue conectors and put them together
Step 3: Step Three
Now you need a manaul motor and a red rod
Step 4: Step Four
now take two yellow rods and two special conecters and add them to gether
Step 5: Step Five
now ad a red conecter for a grip
Step 6: Step Six
Now add all remaining orange conecters to the blue ball-like conecter