ATTENTION Please consider the following warning before building your own cube: This item is constructed with only very few LEGO(r)-parts, but it is impossible to disassemble it without non-LEGO tools. When you push in the last crossaxle, you make an irreversible step. I'm not responsible for your LEGO(r) bricks to be useless after being assembled. I managed to diassemble the cube by lifting one crossaxle out of the connector with the help of a small steel pin. The bigger cube is even harder to disassemble due to heavy friction of the bushings. It is maybe useful to use old and cracked bushings. Don't build your own cube if you still need the parts for other purposes ! For further questions, contact me at jan.katanekNO@SPAMgmx.de Jan