LINE DRAWING FOR COLORING

摘要

PROBLEM TO BE SOLVED: To provide a line drawing for coloring of superior convenience in which a fine coloring portion is easily colored and a desired portion can be quickly and reliably erased without producing erasure chips or peeling of an image upon erasing.

SOLUTION: The line drawing for coloring comprises a coloring having an image to be colored and a writing instrument in a plurality of colors housing an ink that is decolorizable by heating. The writing instrument houses an ink containing a microcapsule pigment that encapsulates a reversible thermochromism composition comprising (1) an electron donating color-developing organic compound, (2) an electron accepting compound and (3) a reaction medium which controls the color developing reaction of the compounds (1) and (2) and that shows color change from chromatic to achromatic by heating.

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