Upping the ante when it comes to rotating cube frustration, these lawsuit skirting IQ Cubes from Brando are the same size as a standard Rubik's Cube. But further segment the sliding pieces into 3x3x7 and 3x3x9 configurations.
The combination of thick and thin layers means these cubes will become a multi-coloured disaster in no time. So solving them is sure to provide an increased challenge for puzzle pros, as well as that cocky CubeStormer II bot. Who's better than humanity now, huh? The only catch? They're both about £20 each. I thought knockoffs were always supposed to be cheaper. [Brando via Technabob]