this is my knex booby trap mine. It is similar to K.S.E's knex door bomb.
It is put behind a door and when someone opens the door they get hit by rods/spacers/bb's whatever.
it is easy to make and very powerful.
be safe and have fun!!!
this is so cool to use<br>

About This Instructable




Bio: My name is Steve and I am currently into K'nex ball machines. I sometimes make K'nex guns and other stuff as well. Please ... More »
More by stevedude123:Homemade Guinea pig house Knex mine knex double grenade 
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