| 摘要 |
PROBLEM TO BE SOLVED: To provide a drawing device wherein a prescribed design such as a flower, an animal, and a landscape can be repeatedly formed, and which enables a user to express and enjoy the delicate differences in colors and changes of colors of the design while observing/learning a scientific phenomenon such as diffusion/reaction with ease. SOLUTION: The drawing device is so constituted that: a fine flow passage 14A which is formed into a desired pattern such as a flower, an animal, and a landscape and whose cross-sectional area is 1mm<SP>2</SP>or less is formed into a two-dimensional or three-dimensional flow passage structure in a transparent block 10; and a colored liquid colored in one or more colors is supplied and filled into the fine flow passage 14A from at least one liquid pool section 24 formed on the surface of the transparent block 10 and communicating with the fine flow passage 14A. COPYRIGHT: (C)2007,JPO&INPIT
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