Form a cube with 7 game stones - won't be too difficult. But if you see only one side in the challenge - and mabye something not coloured it will be more and more difficult. Follow the challenge book where you find 80 challenges in different levels.Form a cube with 7 game stones - won't be too difficult. But if you see only one side in the challenge - and mabye something not coloured it will be more and more difficult. Follow the challenge book where you find 80 challenges in different levels.