Why are there four holes on the yellow centerpiece of the cube? GoCube June 11, 2019 09:05 Follow The four holes on the yellow centerpiece are GoCube’s charging port, where you should connect your charging cable. Related articles How do I fit the cube into the stand? Where do I find my Product Information Guide and/or my Quick start guide? How do I turn the cube on? Does the cube come pre-charged? Can I play with the cube once I get it? Or do I need to charge it first? Comments 0 comments Article is closed for comments.