Op Art! I find Op Art makes for great mini project when students are done with other projects. They are easy to explain, easy to do, and keep the kids interest!
Op Art - like white highlight
op art quilt by my 5th grade students (Donna Staten)
art+projects+for+elementary+students | Second grade is the best! Look at how good they are...
Op Art Letters
6th Grade-Op Art with color theory"?