颜色混合谜题 · Color Mix Puzzle
动脑筋想一想：在水彩颜料中，红色和黄色混在一起会变成什么颜色！
Use your brain: in watercolor paints, what color do red and yellow make when mixed together? What about blue and yellow? If you have already mixed green and then add red, will the color become darker and duller, or brighter? Hint: Mixing the three primary colors together makes it darker!