What better way to conceal your clandestine activities than to miniaturise your secret agent arsenal? From a mini-catapult in a breath-mint tin to milk-jug cap blow-dart wristwatches, learn how to achieve clandestine ends practically and inexpensively with 30 different spy weapons and surveillance tools to build yourself. Fully illustrated step-by-step instructions make construction simple, while easy-to-follow safety tips help ensure spies-to-be avoid injuries. Projects include a paper throwing star, a toothpaste periscope, a bowler hat launcher and a pen blowgun.