Item Type: Fraction DiceMaterial: PlasticGross Weight: 88g / 3.1ozProduct Size: Approx.1.6 x 1.6 x 1.6cm / 0.6 x 0.6 x 0.6inApplicable: Mathematics teaching .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; } 1Plastic Material: This fractional dice is made of premium plastic material, which is sturdy and wear resistant and can be used for a long time. 2Engraved Symbols: The surface of the dice is engraved, the numbers on the dice will not wear out and are durable and not easy to fade. 3Children Intelligence Development: This teaching dice develops children's intelligence for early childhood education, and trains children's ability to calculate fractions. 4Teaching Tool: This dice can also be used as a classroom teaching tool, which is convenient for teachers to teach mathematical algorithms. 520 PCS: This math teaching dice set includes 20pcs dices, enough for a variety of combination algorithms, convenient and fast.