This is the Thorny Cube. You will also need to buy the pieces in this model to assemble the finished Thorny Cube: Thorny Cube 2of2.
This puzzle requires no hardware to assemble and you may purchase stickers for this puzzle here.
Read more about this puzzle on Twisty Puzzles in this thread.
With just the pieces of this model you can build the Dethorned Cube. You can read about that puzzle in this Twisty Puzzles thread.