Many size Polyhedral Dice,4 sides 20mm, 6 sides 16mm, 8 sides 15mm, 10 sides 16.5mm, 12 sides 20mm, 20 sides 22mm. Easy to ReadThe Multi sided dices have different number, easy distinguish and viewing. Multiple UsesDices are suitable for table game, board games, party game, card games, and other role playing games. Develop IntelligenceUse dices games to encourage children to learn counting, addition, etc. Compact, lightweight, convenient to carry. Easy StorageMulti dice set, great for ktv, bar, restaurant, party, etc. Compact, lightweight, easy storage. Specification: Material:acrylic Size Chart: 4 sides 2cm/0.79inch 6 sides 1.6cm/0.63inch 8 sides 1.5cm/0.59inch 10 sides 1.65cm/0.65inch 12 sides 2cm/0.79inch 20 sides 2.2cm/0.87inch Package Includes: 7 Dices Note: Please allow slightly errors due to manual measurement and different monitors.