多彩马克笔 / Colorful Maker

The maker pen allows you to paint colorful just by turning it around for several times!
To change the part writing on the paper
of annular pen point,mix of primary color can be various.So we write in kinds of
color with one Marker.
The Annular pen point is the point.
It made by three separate marker
pen point.Each of them gets its separate primary ink from the body of the marker.There is plastic
pieces between them to avoid ink
being mixed before wrote down.