hello to all of you

i want to write a virtual Rubiks'cube programme
and i had two ideas how i could do this:

1. i builded the rubiks cube as an complete cube with the center
0,0,0, then i devided it into 27 cubes with center 0,0,0,
in Wed the rubik's cube was automatically put together again
now i built 6 plates for up,down,front,back,left,and right
side of the cube

in my skript i put the plates in the cube for the collision-
event, but at no time ther was any detected collision, so it didn't work
(=>activate a function if a cube detects a plate in it)

2.i made the same 27 pieces as in 1 but now i did their center in the middle of the small cube.(i put it in the right order in WED)

in my skript i wanted to rotate all pieces at on level of the cube around the cube's center 0,0,0.
(if(my.z>something) usw.)
but i couldn't set the rotation center to 0,0,0.
(=>set the rotation center of all cubes to 0,0,0)


could anyone help me please?

(ps: sorry for the mistakes i made in the text... i'm German d-.-b)