Ps: Water is also a good conductor Our material bag also contains chalk, watercolor painting can also make music
Note: 1. One hand should touch the drawing 2. the nib should not leave the drawing.
Mindyn Children DIY handmade singing pencil drawdio sound pen painting educational material handcraft
Drawdio is a special pencil that can draw music.It is a very simple music synthesizer that uses pencil graphite or the conductive properties of water to create different sounds, which is a very funny device.