Optical Illusions Op Art Activity Elementary Math Project End of Year Art Craft This Op Art Optical Illusions activity is guaranteed to engage, amuse, intrigue and enthuse your students. Perfect for elementary and middle school students from 2nd grade to 7th grade, these optical illusion worksheets make a perfect combined art and math project. Are you looking for that ONE BUNDLE that is guaranteed to engage, amuse, intrigue and enthuse your students? I promise you...this is the one⭐Looking for