𝗧𝗵𝗮𝗺𝗲𝘀 & 𝗞𝗼𝘀𝗺𝗼𝘀 𝗥𝗼𝗰𝗸 𝗧𝘂𝗺𝗯𝗹𝗲𝗿 – 𝗗𝗶𝘀𝗰𝗼𝘃𝗲𝗿 𝘁𝗵𝗲 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗼𝗳 𝗚𝗲𝗼𝗹𝗼𝗴𝘆
Let’s rock and roll! Budding geologists and gem lovers can transform rough stones into dazzling treasures with the Thames & Kosmos Rock Tumbler. This custom-designed, easy-to-use science kit introduces kids to the wonders of geology while polishing real rocks into smooth, shiny gems.
Explore hands-on learning as you uncover the science behind erosion, weathering, and the rock cycle. The durable, quiet, leak-proof tumbler barrel and built-in timer make rock polishing simple and mess-free. Once your stones shine, turn them into beautiful jewelry using the included fasteners!
A complete STEM experience that combines science, creativity, and discovery — perfect for curious minds ages 8 and up.
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Built-in timer runs up to seven days with multiple settings
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Encourages learning about geology, erosion, and earth science
- Ideal for ages 8 and up
