Small paper ovals, when placed in front of a moving paper background, will appear to change shape and undulate right in front of your eyes!
Here is a short video that shows the full effect:
Step 1: What You Need
1) Several sheets of 8.5" x 11" printer paper
3) Masking tape or transparent tape
4) 1 clear, tabbed sheet protector
5) A drawing software program on your computer that has a gradient tool. I used Photoshop CS3, so I will give clear-cut instructions based on that software.
6) A printer