‍SM06 双面变色板  Double-sided color changing board

尊龙游戏规格：85x30x135cm

认识三原色。观察彩色板叠加后产生的颜色变化，透过彩色透明纸观察不一样的色彩世界。

Know three-primary colors. Observe changes of color after superposition of color boards.Observe different color worlds through the transparent colorful papers.