Features: Standard size, 15mm dice, just the right size for little hands. The colors are vibrant - the dots are well printed. Durable Material, made of sturdy crystal gems, rounded edges, no wear, no scratches, and no stains - easy to stack and store. Classroom Dice Games, perfect for playing math dice games and teaching children mental math skills in the classroom. It's also a fantastic stacking toy - for children to build their own shapes. Board Game Dice, durable dice set for playing games, such as tenzi-liar dice-yatzy-farkle-bunco-casino with multiple people. Various colors to choose from, you can choose the one you like. Specifications: Material: Crystal Gems Color: A, B, C, D, E, F, G, H Note: Please allow 1-2 cm error due to manual measurement, make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 x 6-sided Crystal Dice