This is a great joke, it looks very realistic and its guaranteed to make you and anyone else who sees it laugh. These are great fun for people of all ages to play with, just leave it where your victim will see it and they will get the shock of their lives! The sick is 2 inches or 5cm across and because its plastic it can be reused as many times as you want so it can give you years of fun. You can just pick it up and move it. Fun toy for children.