Another popular choice for teens is Crayola’s Optical Illusions Coloring Book. It features 40 pages of black-and-white optical illusion designs that are mesmerizing to color. The color options ...

Illusions Pack Illusions BookThis Illusions Book brings 20 new images to Coloring Pixels! Each image is a different optical illusion to play with your eyes and mind!Get ready to take a second look ...

The dress was also a lesson in the power of social media, the science of shifting colors, and the fun of optical illusions. Here we present a visual story from February 27 that rounded up some of ...

The Internet erupted in an energetic debate yesterday about whether an ugly dress was blue and black or white and gold, with celebrities from Anna Kendrick (white) to Taylor Swift (black ...