magnetic cube edge length and surface area volume demonstrator model can expand cube three-finger peaks
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Price: 1 set for 35 yuan, 50 sets for 30 yuan, 100 sets for 28 yuan.
![](http://img1.yiwugou.com/i004/2019/09/12/49/80458e725111103b80a808135477e1b8.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/23/d30e63b4919610e1b791288a2e72d220.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/72/8f52a1447cd9e935ed1f789b12f8c920.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/09/564e12d0c82cea22b2ac099e48a00d66.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/95/e3da2b670688292595ebbb5b3511aad9.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/53/df2118fc3c472bb75c9f69fc453f0a33.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/52/9fa17f6d41b431668681377cd9a781f5.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/72/fedb725f1ebc7aba04905592b2cfea2b.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/79/4c89c3117439fc0b943a93f77509edab.jpg@800w_1o)
![](http://img1.yiwugou.com/i004/2019/09/12/49/3123d9ee049fc5e2bc76f957ac75cb11.jpg@800w_1o)