Features: Standard size,15mm game dice, just the right size for little-hands. the colors are vibrant-the dots were well printed. Durable material,make of sturdy crystal gemstones ,rounded-edges, no wear, no scratches and no spots-easy to stack and store. Classroom dice games,percet for playing math dice games and teaching mental math skills to kids in the classrooom. it is also a great stack toys-for kids to build their own shapes. Board games dice,durable dice set for playing games,like tenzi-liar dice-yathzee-farkle-bunco-casino with multiple people. There are different colors optional,you can choice follow you like. Specifications: Material:Crystal Gemstones Color:A,B,C,D,E,F,G,H Note: Please allow 1-2cm errors due to manual measurement,please make sure that 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 Piece 6 Sides Crystal Dice