1. MULTI-FUNCTIONAL: 5 In 1 Multi-function Ballpoint Pen, Bubbler Pen, Cute Seal Roller Stamp Pen, Bubble Blowing, Writing, LED Lighting Funny School DIY Supplies. 2. REASONS TO BUY: Toy pens: these cute bubbler pen pens are suitable for children to use in classrooms, offices, schools, etc. 3. PERFECT FOR GIFT: The ballpoint pen is a great gift for your friends and family. It can be used in many occasions, such as birthdays, Christmas, New Year, return Gift for kids etc. 4. RELATED INFO: Bubbler pen use bubbles blowing to make your children's pens look more interesting. It is very suitable for students who are learning how to write.