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打开六个天然晶洞，揭示由数百万年地质压力塑造的隐藏水晶结构。每个空心石头内部的晶体结构独一无二——没有两个是相同的。
这个动手探索套装结合了真实标本和安全探索所需的工具：护目镜、用于受控敲开的透明安全袋，以及放大镜，用于近距离观察石英、方解石和其他矿物结构。
附带的图解指南解释了晶洞如何在火山和沉积环境中形成，预期的晶体类型，以及热量、化学和时间如何共同作用创造这些自然珍宝。非常适合年轻地质学家、好奇心强的人以及任何被矿物世界隐藏之美吸引的人。
由SCMG Enterprises Ltd授权生产。Science Museum®——教育质量和真实性的标志。
包含内容
规格
适龄建议：8岁以上（建议成人监督）
单个晶洞尺寸：约4厘米
包装盒尺寸：18 × 17厘米
含小零件和天然材料，请小心处理。
£29.75 GBP
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non ho mai ricevuto l'ordine
the 2 arrived in perfect shape! I love them so much they are beautiful, delivery was very nice and packaging was great! would buy again!
Good size, well padded in the frame ,nice placement .
Perfect specimens. Very well packaged. Thank you!
Beautiful cicadas. Every specimen perfect. Thank you!
Perfect specimens. Good variety. Thank you!
Perfect specimens as always. Thank you!
So pretty and delicate — thank you
Great pieces. Very happy. Fast Shipping.
Perfect timing thanks so much!!
I received this a while ago and they were perfect! Actually arrived the day before I needed them it was so awesome. I had ordered them for a guy I was interested in who is a big entomology nerd. He’s now my boyfriend so thank you for assisting me with that 🫶🏻
Perfect item, really well packaged, exactly as described! My partner is very happy he has been looking for one for a while!
Extremely high quality material. Thanks!
Nice big beetles, all in perfect condition. Would recommend
Really lovely specimens, would recommend
the packcage arrived very fast, the attention was excelent by the seller. Definitely a good experience buying from this seller.
inclreible la verdad llego incluso mas rapido de lo que decia que llegaria
packed beautifully, sent fast. only issue is a bit of mold growth on one specimen, but nothing that can't be fixed with some isopropyl alcohol
Very large perfectly spread specimens. Thank you!
Very big, perfectly spread specimens. Thank you!
These specimens were really big! Very pleased with them, thank you!
Very happy customer
Perfect, thank you! Really appreciate
Beautiful specimens, had a problem with customs in my country but it wasn't that big an issue. Can't wait to buy more eventually!!
Beautiful. Thank You, I love it :-)
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