The Crystal Twister will bring a truly magical, captivating dice-rolling experience to your games. Watch your dice rolling down its spiral staircase, hear the fabulous accompanying sound and enchant everyone around the gaming table. Each turn perfectly randomizes the dice result. In addition, the HDF dice tray keeps the dice from rolling off the table. The outstanding design is not only functional but a great eye-catcher for gamers and passionate collectors. It is ideal for board games, tabletop role-playing games and other dice games.