Mixup 2x4x4 looks like an "ordinary" 2x4x4 twisty puzzle. It is not. This puzzle can be mixed up in all kinds of unexpected directions.
Watch the YouTube video
Read at the Shapeways Forum
Read more at the Twisty Puzzles Forum
Please contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.