Nick Christensen, 12, said his father learned about the program from friends.
"It's really creative. You can do a lot of different stuff," Nick said.
And what does Jordan Vaylon, 11, like about the class?
"Everything!" he said, adding that if he were not at the art center, he would probably "be home, playing video games or maybe doing my homework."
Working with another girl on creatures she called "piranha people," Ayla Davidson, also 11, said the animation was a way of "expressing myself."
Gary Keroglyan, one of the CalArts students who help instruct the middle-schoolers at the Eagle Rock site, said he loves teaching them.