The world's first color changeable ink pen

Pick any color you like and draw it on the paper. this is the only pen can draw 16 million colors

The world's first color picking​
3D printing pen

          Pick any color you like and print it in 3D, ALL IN ONE CHOICE for kids and artists

At MERSAIN, we are extremely proud of the fact that we have worked on innovative products that are changing the way consumers behave. Our 3D printing pen is one of our hit products, and children love to scribble and bring their creations to life. Our 3D Modeling and Cad Service is another thing that we are extremely proud of. We would love to work with you and expand our portfolio by adding your innovative ideas to it! ​

The world's first color Picking Stylus for Kids

 Pick any color you like and replicate it on digital device like iPad or cell phone. unlimited colors for creation

The world's first color Picking
Stylus

 Pick any color you like and replicate it on digital device like iPad or cell phone, unlimited colors for creation

              The most portable and smartest                Pee Analysis Pen

Help you to analysis your pee and monitor your body performance