The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits

 
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 1
 
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 2
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 3
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 4
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 5
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 6
The Thames & Kosmos Rock Tumbler Essential STEM Tool | Durable, Leak-Proof, Noise-Reducing Barrel, Built-in Timer | Polish & Shine Kids Rock Collections, Includes Authentic Specimens & Polishing Grits, Image 7
Sale Price: $44.95
as of 8/11/2026 07:38 EST details
List Price: $49.95
You save: $5.00

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Brand: Thames & Kosmos
Manufacturer: Thames & Kosmos
Category: Toy
Size: 7.5 x 9 x 9.6 inches
Dimensions (inches): 9.0 x 7.5 x 9.6
MPN: 678006
Model: 678006
Condition: New
Release date: 2025-09-15
Features
  • USER-FRIENDLY: Budding geologists can easily transform rough stones into smooth, beautifully polished rocks!
  • CUSTOM DESIGNED: The powerful, long-lasting motor is highly durable and the leak-proof, noise-reducing barrel aids in ease of use. Also includes a built-in timer with various settings, allowing the tumbler to run for up to seven days!
  • ASSORTED SPECIMENS INCLUDED: Kids ages 8 & up can start with the genuine rock samples that come with the kit -- including amethyst, aventurine, rose quartz, and more -- as well as four polishing grits. Then move on to other rocks, glass, wood, or other mateirals you collect on your own!
  • EDUCATIONAL VALUE: Explore the secrets of geology, diving into topics like erosion, weathering, and the geological rock cycle as you amp up your rock collection, guided by the included manual and poster.
  • BONUS SPECS & EXTRAS: Includes jewelry fasteners to transform your rocks into accessories. The rock tumbler has a 450g capacity (over 1 pound) and a USB-C power supply
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