Description: MaterialThe dice set is made of acrylic, which is light and sturdy.DesignThe teaching dice set has craftsmanship and unique patterns.ApplicationThe colorful dice set is suitable for board games, table games, card games, math games, indoor and outdoor activities, family gatherings, theme parties, friends gatherings, etc.FunctionThe math teaching dice set can cultivate digital calculation, thinking, and other abilities.PracticalEducational toys are good gifts for those in need. Specification: Material:Acrylic Size Chart: D4: 2cm/0.79inch D6: 1.6cm/0.63inch D8: 1.5cm/0.59inch D10: 1.65cm/0.65inch D12: 2cm/0.79inch D20: 2.2cm/0.87inch Package Includes: 1 Set Dice(7 Per) Note: 1. This is not an infant toy, please take it away from children to avoid eating.2. Please allow slight errors of 1-2cm differences due to manual measurement.