... . This is a patented square bounce back cube, Q-BLE. lt looks like a square cube but bounces ... , where a conventional round rubber ball lurks. Bounce Q-BLE hard enough and its corners compress, letting the ... visual effect not found with your everyday sphere. Q-BLE measures two inches square and comes in three ... combinationsThis is a patented square bounce back cube, Q-BLE. lt looks like a square cube but ...