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💎 Turn raw stones into radiant treasures—because your collection deserves to shine!
The National Geographic Professional Rock Tumbler Kit is a premium, all-in-one gemstone polishing system featuring a durable, leak-proof barrel, a quiet motor with an automatic shutoff timer, and a complete set of 453g rough stones from nine global sources. Designed for serious hobbyists and STEM learners alike, it includes four grit stages and patented GemFoam polish to create museum-quality, dazzling stones ready for custom jewelry crafting.
| ASIN | B086Z83SV5 |
| Age Range Description | Kid |
| Age range (description) | Kid |
| Battery Description | No batteries required |
| Best Sellers Rank | #103,911 in Kitchen ( See Top 100 in Kitchen ) #1,490 in Tumblers & Water Glasses |
| Brand | Blue Marble |
| Brand Name | Blue Marble |
| Customer Reviews | 4.5 out of 5 stars 4,223 Reviews |
| Educational Objective | Geological exploration, observation skills, logical thinking |
| Educational objective | Geological exploration, observation skills, logical thinking |
| Included Components | Everything you need to rock rocks like a pro. |
| Is Assembly Required | No |
| Item Dimensions | 32 x 17 x 26 centimeters |
| Item dimensions L x W x H | 32 x 17 x 26 centimeters |
| Language | English |
| Manufacturer | National Geographic |
| Manufacturer Maximum Age (MONTHS) | 120 |
| Manufacturer Part Number | NGPROTUMBLER3 |
| Material Type | Multiple |
| Model Number | NGPROTUMBLER3 |
| Set Name | Gemstone Set |
| Size | M, S |
| Sub Brand | National Geographic |
| Theme | Science |
| UPC | 816448029288 |
| Unit Count | 1.0 Count |
R**I
ممتاز
جهاز احترافي
ا**ن
لم استلم المنتج
مكتوب تم التسليم ولم استلم المنتج حتى الآن
I**N
My 7-year old son had it running step 1 within 10 minutes.
Easy to get started and looking forward to the results after 30 days following the 4-step process. Came with a non-UK plug which was a surprise after reading it came with a 3-pin plug. No instructions provided on what speed to run.
L**O
Goduria
E davvero bello vedere i bambini quanta passione dedicano a questo attrezzo. La sua collocazione non può avvenire in casa in quanto un po' di rumore lo fa e andando di continuo anche per 7 GG di continuo non è il massimo. Lo consiglio a tutti i giovani esploratori che vogliono trasformare il grezzo in gioielli.
R**R
Quiet and easy to use
Bought a cheaper version of this, and it broke a drive belt almost daily. Sent it back for a refund and bought this one. This is much better, and has been running for a couple of weeks now with no issues. It is also considerably quieter than the other one (although I still wouldn't want it in a room I spend a lot of time in). Feels good quality, it's been running well and it is really simple and easy to use. Very impressed.
M**N
Allt funkade bra
Allt var bra
M**T
Fácil de usar
Es muy práctico, de momento lo estoy usando en la primera fase con grano grueso y varias piedras necesitan más días, lleva como una semana en esta fase más o menos, y le he puesto más tiempo, el tambor es muy sencillo de abrir, como precaución uso guantes y mascarilla al sacar las piedras y lo hago en un lugar ventilado, hay muchas muestras lo que algunas son muy pequeñas y amatista, solo hay una y es pequeña, me hubiera gustado que llevara 2 o 3, el grano bien, aunque hay poca cantidad y solo me da para un uso, el tambor no hace mucho ruido, tuve que comprarle un adaptador al enchufe pues no venía incluido y no ponía nada en las instrucciones, antes de comprar el producto, pero lo compré en un bazar chino, en general el kit va bastante bien y da buenos resultados por ahora, pues me faltan las otras fases, bastante satisfecha.
K**S
Great Product would buy again
Great Product would buy again
Trustpilot
2 months ago
1 day ago