Links – Dice Dice Collectors: Dice Maniacs Club (Facebook Group) Dice Manufacturers & Retailers: Chessex Crystal Caste Die Hard Dice GameScience PolyHero Q-Workshop Wiz Dice Dice Towers Dice Towers on Etsy Fat Dragon Games (on DriveThruRPG.com) Foamboard Dice Tower Plans Q-Workshop Wyrmwood Gaming Unique Dice Towers Fairness Testing d20 Saltwater Float Test Video Dice Fairness Tester (Android)