Material: plastic Size: about 15.5 * 10cm Package List 2 pcs Fun Prank Shock Pens Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 1-2cm differs due to manual measurement. 1PRANK SHOCK PENS: Want to do an unforgettable prank in class? Grab one of these magical pens that give a mild vibration when the tops are pressed. The shock is only 50-70 volts, so you dont have to worry about getting harmed. Your classmates will get a fast but harmless electric shock that will make them shriek and leap with astonishment. 2 EASY TO USE: For you to write, rotate the middle of the pen until the pen tip comes out. Otherwise, pressing the pen button emits an electrifying jolt. Amazing, isnt it? The batteries last long for daily entertainment. Warning: Choking Hazard Small parts. Not for children under 3 years. 3 NOT JUST AN ORDINARY PEN: Made from durable metal, this pen is impact resistant, lightweight and classy. Inside are components that wired up with very small non-replaceable batteries which release shock when triggered. This realistic-looking pen is not recommended for children under 14 years old, adults over 50 years old, people with medical conditions, or people with pacemakers. 4 FUNNY BALLPENS: Dont want to lose your ballpoint pen again? Catch the unwanted borrowers as they get a zapping electric impact. Its a harmless prank that will give them tons of laughter that they will never forget. 5 ENTICING GIFT: Novelty toys pen prank tricks are a unique gift for your classmates, teachers, officemates, family, friends, or neighbors. Give your guests a shocking but inoffensive experience on birthday, corporate events, Christmas, holiday gatherings, and any gift-giving occasion. It will also be a silly joke on April Fools Day