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size
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CN¥ 0.0 | 999 piece available |
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| 45*24 * 10cm | CN¥ 0.0 | 999 piece available |
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Qinghua science instruments 14yr.
Contacts:zheng Chat
Mobile:86-13750965003
E-mail:2403396147@qq.com
Packaging information
CTN Size: 46 × 48 × 32 cm
G.W./CTN:16 kg
QTY/CTN:12 piece/carton
note: please contact us for confirmation when placing an order (due to real-time changes in stock)
this round area pi derivation demonstration teaching aid visually shows the formula derivation process and solves the pain points of primary school students' understanding difficulties.
the core selling points include hands-on operation and interesting learning, and the product advantage is to improve mathematics interest and achievement.
through the national education certification, the brand reputation is reliable, which stimulates children's exploration enthusiasm and makes learning no longer boring.
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