A HILARIOUS PRANK: Trick your friends into think you just stabbed yourself with a dangerous knife with this super cool disappearing prank toy knife that will definitely shock unsuspecting onlookers. RETRACTABLE MECHANISM: The 3” blade immediately retracts into the handle once it makes contact with your skin! It gives the illusion that it went deep within your body like it's magic! 100% PLASTIC AND SAFE: The blade is not sharp whatsoever and made of durable plastic so it won’t cut and won’t break easily so don’t worry about accidents when you’re trying to shock your friends! A GREAT FESTIVE GAG: This toy is perfect for Halloween, April Fools, or just any costume event that requires you to hold a blade! It looks super real and makes for a great trick to really scare anyone. A CLASSIC NOVELTY GIFT: A great novelty item that goes great for anyone’s collection of trick toys and gags! This classic prank is universally enjoyable and is sure to bring out a shriek and laugh anywhere.