Timelord Blue & Doctor White - Silver Numbering. A set of ten (10) gorgeous resin dice custom designed to meet all of your GM randomization and storytelling needs. Game Master Assist Dice are a specialty dice set designed to assist our noble Game Masters as they prepare on-the-fly adventures and storytelling for their players. Finely crafted based on 20 years of GM experience, these 10 oversized and color-coded dice are designed to assist with the 7 most significant randomization needs GMs face. GM Assist Dice are guaranteed to increase the creativity levels of your gaming experience, while also cutting down on gameplay time. (No charts needed!) These dice cover: NPC Attitude, Weather, Traps, Randomized Loot, Random Encounters, Hit Locations, & Critical Hit Effects. GM Assist Dice come with a 30-Second How to Use Guide, explaining the fun and varieties each die type can be used for. Made of high-impact resin, with the same casting process we invented that prevents air-bubbles from forming inside, Gate Keeper Games dice bear the honor of being the heaviest, densest, and most well-balanced resin dice on the planet!