assembly soil telephone material physics experiment teaching aids science and education instrument sound transmission medium science experiment_青华科教仪器有限公司

assembly soil telephone material physics experiment teaching aids science and education instrument sound transmission medium science experiment

assembly soil telephone material physics experiment teaching aids science and education instrument sound transmission medium science experiment

组装土电话材料物理实验教学教具科教仪器声传播介质科学实验

20 piece

Specifications

Specifications		Stock	Quantity
size(尺寸)	USD $0.0	1000 piece available
5 .3.7cm(5.3.7CM)	USD $0.0	999 piece available

Summary 0 piece Subtotal:USD $ 0 Selected ∧

Please select a product

Add to cart Please contact the merchant for purchase

A new item has been added to your Shopping Cart. You now have items in your Shopping Cart.

Continue Shopping View Shopping Cart

Supplier

Related items

Packaging information

CTN Size: 42 × 36 × 32 cm

G.W./CTN:13 kg

QTY/CTN:48 piece/carton

备注：下单发货时间请联系确认（现货实时变化）

探索声传播奥秘！这款组装土电话教具采用优质材料，安全认证，核心卖点包括直观展示声波传递、动手组装乐趣。

解决课堂枯燥痛点，激发学生科学兴趣，品牌背书确保质量可靠，让物理学习充满情感共鸣与成就感。

Update time：20251017100149