(i check my comments every day, so if you have a problem, concern, or and edit you would like me to know, just post a comment and ill get back to you very fast! stay classy!)
Step 1: Materals needed
2.note card (any size)
5.a fire cracker (or small fireworks)
6.air soft BB's
7.and a sheet of normal printer paper
Step 2: Make the body
Step 3: Make the top and bottom
Step 4: Tape one end
Step 5: Trim
Step 6: Create the top
Step 7: Fill the nade!!
Step 8: Put the last cover on
Step 9: Yeah your done!!
*DISCLAIMER- I'm not responsible for any potential injures etc. After you make this device what you do with it is your fault not mine.