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A true classic in the realms of cubical warfare and animal prankdom, the AirZooka blasts an invisible ball of air at an unsuspecting victim and leaves them wondering "wtf was that!?" Completely harmless and tons of fun, the AirZooka may just be the perfect way to expose that toupee your boss wears that everyone knows about but dares not mention or find out for certain. Office prankster-approved!
Where to buy: ThinkGeek for $12.99 + S&H
[Related Gallery: 20 of the coolest gadgets and must-haves for your office: Part 2]