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Cool Optical Illusions

Creative Activities That Make Math & Science Fun for Kids!
Feb 24, 2014
"Explains the different types of optical illusions and demonstrates how to create such projects as a colour spinner, afterimages, and impossible objects." Kids' Books February 2014 newsletter http://www.libraryaware.com/996/NewsletterIssues/ViewIssue/3100932d-b9be-4ff8-9612-81fd8d7488ca?postId=207f86e2-d1e6-46f0-aa8c-8f54f210b887