Smart pencil, a new generation of new technology zero fault pencil, do not cut do not press write constant pressure, hold the pen correctly, fingers do not cocoon, a multi-purpose pen, automatic core!

6 features: low carbon and environmental protection

               No pen plane

               Continuous writing

               Don't need to push

               Lead continuous

               Automatic adjustment

Hold the pen correctly in three seconds Fingers do not cocoon, with the mother's heart, to create a child's pen!