This is a mf8 tiled Megaminx II. The edge length is 32mm and the height 70.4mm. This brand of megaminx is accepted as one of the best on the market.
The Megaminx is a dodecahedron-shaped puzzle similar to the Rubik’s Cube. It has a total of 50 movable pieces to rearrange, compared to the 20 movable pieces of the Rubik’s cube.
This puzzle comes fully assembled and tiled from the factory. Note that lubricating and working in the cube improves its performance. It is highly suggested to lubricate the cube to make it move more easily.