Cylinder volume and area calculation conversion model toy educational set for kid student learning, school teaching
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Easy to understand the conversion model of cylinder volume and area, can visualize the calculation of cylinder volume and area into a rectangular body, help to understand the calculation formula
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Cylindrical volume and area calculation conversion model toy educational set for kid student learning, school teaching

Easy to understand the conversion model of cylinder volume and area, can visualize the calculation of cylinder volume and area into a rectangular body, help to understand the calculation formula