The Sequim Branch of the North Olympic Library System (NOLS) will be presenting an Imagine Children’s Museum of Everett’s Optical Illusions program on Saturday, February 10 from 10:30am – 12:30pm.  This program will welcome  ages 7-12 to learn the science behind optical illusions.  Experience and create your own optical illusion.  Due to space limitations, preregistration is required. To register, visit the Sequim Branch Library events calendar at www.nols.org , call the library at 360.683.1161, or send an email to youth@nols.org. All materials will be provided.