Name:Electric Shock Trick Gag Marker PenLength:About 13.5cmDiameter：About 2cm&1.5cmColor:Black，Blue，Red100% brand new and high qualityGive unsuspecting friends a quick and mild electric shock when they try to use itHowever， do not use this device on children under 14 years old， adults over 50 years old， people with medical conditions， or people with pacemakers.Pure toy. Cannot be used as penOperated by 4xLR-41 battery (included)We send the item in Random color.Package includes:Electric Shock Toy Marker pen x 1