Badass LEGO Guns: Building Instructions for Five Working Guns

Badass LEGO Guns looks like a fun book. It has step-by-step instructions for making weapons that fire rubber bands or Lego bricks "at high speeds with surprising accuracy."
badasslegogun8oy.jpgThriller Advanced -- a powerful crossbow pistol with smooth cocking and chambering mechanisms

Parabella -- , a pint-sized, rubber band-shooting marvel

Warbeast -- a fully automatic bullpup submachine gun

Liliputt -- a sophisticated, semiautomatic pistol with a nine-brick magazine

Mini-Thriller -- a lightweight, folding-crossbow pistol

Magic Moth -- a fully articulated butterfly "knife"

Badass LEGO Guns