One of the cube pieces fell off, what can I do? GoCube November 19, 2020 13:24 Updated As long as it's not broken, you can re-attach it by doing as it's shown in this video: When in doubt, please contact us at Support. Related articles One of the cube pieces fell off, what can I do? My Rubik's Connected won't charge or work at all. My cube's battery died in the middle of a game. Do I need to start from scratch, or can I keep playing after I’ve charged it? What happens if I receive a phone call during a game or a battle? Rubik's Battery FAQ Comments 0 comments Article is closed for comments.