6A nice to look at effect that does get repetitive. As it comes with the sourcecode, you are inclined to find out how it works. The sourcecode is small and tidy, and it makes it look a lot simpler than it is.

10An intriguing, mesmerising effect, very well done. And now with the bug fixed, so here are your full marks as promised!

6It's a neat effect, but it looks too simple and it's repetitive. It's worth a look, the source could teach you something.