Complete Your Costume! The fake hypodermic needle is a classic gag. Plus, this year, no swine flu costume can be complete without the perfect costume accessories. 5 1/4″ long and extends to 7″ long. Made of plastic. Draw fake blood, or make a fake injection with this needle. Our unique costume accessories are just what you’re looking for. We have the accessories for your costume that people will remember and admire. Spook up your outfit with the costume accessories you need!