In order to help users better use and store ordinary markers, this design solves a problem by simple magnetic principle.Designers or hand-painters usually use markers when they are sketching. It takes three to four markers to show the color changing during the process of painting, and it is not convenient for users to classify and collect. Sometimes it interrupts thinking because of this problem. M-Marker solves this problem very well. It can be absorbed by magnetic attraction and lightly touched. Users can easily put four Markers together. It is not only convenient for color classification, but also easy to collect and classify,In this way,It helps a lot in saving their time.At the same time,The shape of the maker is eaily for the user to hold.