• EVA
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• Math block for :the educational and color cognitive is your to their math ability,plastic math cubes
• Number block for : , smooth edges and corners, it's safe without burrs, the product is well polished and does not hurt hands when used,math count block
• Educational supplies:exercise grasping ability, hand and brain coordination, fine movement,math learning cube
• Math manipulatives:eva material is hard and resistant to fall, and for long time use,math block