Feature 1Educational Tool: Ideal for classrooms or at home, these dice enhance learning. Teachers can integrate them into math or spelling games for interactive lessons. 2Multi Functional Design: Not only can you write numbers on the surface, use them as game dice, but you can also write letters and numbers on the surface, and perform number operations for children. 3Engaging Shape: Block shape aids geometry and shape recognition. Bright color, attract attention of kid, facilitate color recognition skills. They are also great gaming accessories for board games. 4Tool Kit: Write and erase design, which allows the dice to be reused. Contains dices and marker pens, meet your different use needs. With storage bag, easy to carry. 5Soft EVA: Dry erase dice is made of EVA material, safe and eco friendly, soft and skin friendly, wear resistant and durable. Suitable for home, school, holiday party, etc.Item Type: Dry Erase DiceMaterial: EVAProduct Size: Approx. 10cm / 3.9in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x Dice1 x Storage Bag2 x Pen (Random Color)NotePlease allow slight error due to manual measurement. Thanks for your understanding.