Take a removable cube from the Tesseract and place it on any empty space in your Lab, without changing its value.
A cube is considered removable if it has three or more open faces
(this includes the top face}. If a cube has two or fewer open spaces, it is not removable. A player cannot interact with cubes on the Tesseract if they are not removable, nor can the Tesseract "Primen cubes that are not removable.