Roulette Wheel IQ Cube, If You’re Looking for a Challenge
We can barely even solve a Rubik’s cube without pulling out our hair but if you are looking for something even more challenging, the Roulette Wheel IQ Cube ($80 USD) is right up your alley. This cube features 6-surface cube and 6-color surface. So now you don’t just have to color-match each side but you must make sure to properly complete the number sequence roulette on each side. Good luck!