First you will see a brief history of snowflake study, and then instructions. Here's a screen shot of your workspace:
Pick up the pencil at the top with your mouse, and draw on the folded paper. The shapes you make are what will be cut out, and be the holes in the snowflake. When you're finished, pick up the scissors with your mouse, and your snow flake will be created. You can save it, email it, or take a screen shot of it.
Here's a screen shot of my first snowflake: