Bubble Pen Multifunctional Blow Bubble Pen Cute Girl Creative Student Roller Pen Features: Enjoy your own without any external disturbances Press the pen tip to light,a pen that emits light when writing,inNovative,personalized,and creative Creative bubble water,the pen comes with bubble water and can be blown out by unscrewing it Optional seal,personalized and interesting roller seal with clear patterns and bright colors Creative Design,providing children with a different writing experience Product Description: Specification: Weight:25g Material:Plastic Size:17.5CM Package List: 1Xstorage Note: Please allow slight error due to the manual measurement. Thanks for your understanding. Monitors are Not calibrated same,item color displayed in photos may be showing slightly different from the real . Please take the real one as standard. Enjoy your own without any external disturbances Press the pen tip to light, a pen that emits light when writing, inNovative, personalized, and creative Creative bubble water, the pen comes with bubble water and can be blown out by unscrewing it Optional seal, personalized and interesting roller seal with clear patterns and bright colors Creative Design, providing children with a different writing experience