Antsy Labs, the folks who brought the Fidget Cube to the world, has released the Fidget Cube Collectibles Series. The Collectibles series currently features Marvel comics characters...including Iron Man, Rocket Raccoon, Baby Groot, Star-Lord, Spider-Man, Drax, Hulk, and Thor. Each one of these licensed Fidget Cubes sells for $12.99.
If you're not familiar with the Fidget Cube...it has six sides. Each side features something to fidget with: Click. Glide. Flip. Breathe. Roll. Spin.