ToucheTurtle The movement looks decidedly unlikely some fairly light objects being attracted by a large magnet. Also, there's something about the production style and the oh-so-cool people pictured that convinces me that it's not real.
the_clencher Either it's fake or they have invented an extremely powerful, yet very compact magnet.
Goofy Gorilla Someone had a theory that they were installing micro controllers and corresponding electro-magnets in each ball, but then I looked up what this studio really does and decided that, while that might work and be a nifty idea, it was probably cheaper and easier to just animate.
kingarthur It's too bad. What all ball pits needed in childhood were invisible electromagnetic monsters.
Urburos I was really amazed at first, but after watching it a few times I was disappointed that it's only cgi.
Oscar Wildcat Sorry Fluffy, the only way around Earnshaws Theorem is by spin. QED