THE MOST SATISFYING GADGETS - Color cube is a translucent acrylic cube with cyan, magenta, and yellow on each surface. As the angle is changed, the light through the cube mixes into green, red, blue, etc. When all three colors are mixed from the corner, you can see the most colors and a smaller cube is created inside the cube, which definitely blows everyone's minds! GREAT FOR DESKTOP DECORATION - This 40mm Color cube is a great piece of dcor for your office, your bedroom, living room, or anywhere else! It'll create an artistic atmosphere which can not only loosen people's nerves, but evoke their wildest imagination. GREAT STEM/STEAM TOY - Not only is this cool cube an optical illusion cube, it's also a subtractive color mixing demo cube, perfect for kids to learn about subtractive color color schemes. REDUCE STRESS & ANXIETY - Best for stress and anxiety relief and kill time. Look into the cube and observe how the beautiful color changes, that will calm your restless mind and reduce stress. THE PERFECT GIFT FOR ALL AGES Ultimate small indoor or outdoor toy for all boys, girls, men and women, school students and office crowds. Caution: not suitable for children 4 years old and below. Give as gifts for birthdays, Christmas and other holidays as well as a get well soon gifts. The picture is for reference only, the actual product is mainly received. Due to the shooting angle and shooting method, the color of the product may be more beautiful. I hope you will try more after you get it _x000D_