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Demo.Model of Areas and Circumference Ratio of Circle
80123.01
Art No. 80123.01
This demonstration model is to show how to calculate the Areas of a circle & to get the circumference ratio.Made of plastic.
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Add:18F,Huiya International Mansion No.1107.Tiantong North Road,Ningbo,315100,China Web:www.kelsun-cn.com
Add:18F,Huiya International Mansion No.1107.Tiantong North Road,Ningbo,315100,China Web:www.kelsun-cn.com