THE CUBIDIDU 3X3 - &iexcl;It's fast and smooth as no other! &iexcl;Say Goodbye to all those old rigid cubes! materials (3x3) Educational: Promotes fundamental skills such as memory, spatial perception and hand-eye coordination. Classic: have fun remembering your childhood memories and help the younger ones to discover the great classics of the twentieth century. Premium quality: a cube is for life...not just for Christmas! Forget those old cubes that were stiff and became even more rigid over time. THE CUBIDIDU is designed to be moved with ease and thanks to its high quality materials you truly will have a cube for life! Competition size: 5,6 x 5,6 x 5,6 cm Developed in colllaboration with the world leader: MoYu