Buy Rocks, Gems, & Geodes

描述

使用本套裝所探索的多彩岩石，將為您開啟地球科學和地質學的世界。
使用隨附的石頭，開始您自己的岩石收藏。然後使用水晶粉末和模具製作您自己的晶洞。

The colourful rocks you explore with this kit will open up the world of earth science and geology.

Kick-start your very own rock collection with the included stones. Then use the crystal powder and mold to grow your own geode formation.

Conduct experiments such as building a DIY rock tumbler, measuring pH levels, using the Mohs hardness scale, and more.