This is a must do project!  It is beautiful, fun and simple to set up.   I did this project at the museum with a group with children and adults.  All you need is black construction paper as the base, different colors of construction paper to cut into 1″ strips, markers and glue sticks.
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Step One:  Draw a pattern on each color strip.

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Step Two:  Glue the strips to the black paper.  You can bend, move, curl, fold the paper!

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Use a hole punch to make a pattern!

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Swirl the strip!
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Write words on the strips!

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Use letter, sight words – even numbers as patterns!

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This is the observation form we used to observe pattern and rhythm in art.  You could do the same thing looking at art in an art book.