I recently got a hold of the Hasbro Fidget Its Optimus Prime and Bumblebee fidget cubes.
As expected, Hasbro is a little late to the game with these fidget cubes, but they are a pretty fun looking.
https://www.youtube.com/watch?v=bLZYQnf5e0M
More pictures here
http://bridgemagnettoys.blogspot.ca/...get-cubes.html