NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit, Rocks and Crystals for Kids, A Great STEM Activity
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NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit, Rocks and Crystals for Kids, A Great STEM Activity

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Product ID: 257611799
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Details

  • Size
    1 Count (Pack
  • Brand
    Blue Marble
  • Theme
    science
  • Age range (description)
    8 years and up
  • Material
    Silicone
💎Includes 9 gemstone types & 4-stage grit
🔒Leak-proof, rubber-lined barrel
⚙️Durable motor for multiple batches

Description

💎 Turn rough rocks into polished treasures—STEM fun that shines!

  • BUILT TO ENDURE - Heavy-duty motor and leak-proof design for nonstop tumbling.
  • POLISH LIKE A PRO - Transform rough stones into dazzling gems with ease.
  • ALL IN ONE STEM KIT - Complete set with rocks, polishing grit, and jewelry fastenings.
  • LEARN WHILE YOU CREATE - Step-by-step guide plus fascinating geology facts included.
  • KID APPROVED PARENT TRUSTED - Safe, educational, and fun for ages 8+ with National Geographic quality.

The NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit is a durable, leak-proof rock polisher designed for kids 8 and up. Featuring a robust motor, rubber-lined barrel, and a complete set of rough rocks, polishing grits, and jewelry fastenings, it offers an engaging STEM activity that combines hands-on learning with the thrill of creating real gemstones.

Specifications

Product Dimensions27.94 x 13.2 x 30.48 cm; 1.9 kg
Manufacturer recommended age8 years and up
Item model numberNGTUMBLER2
Educational Objective(s)Geology, Process Understanding, Critical Thinking, Scientific Inquiry
Language:German
Number of Puzzle Pieces30
Assembly RequiredNo
Batteries Required?No
Batteries Included?No
Material Type(s)Silicone
Material Care InstructionsSee Included Manual
Remote Control Included?No
Radio Control SuitabilityTravel, Home
ColorOriginal Version
Release date13 October 2017
ASINB01I56RV0C

Have a Question? See What Others Asked

Can this be used to tumble glass to make sea glass?
Where can I buy more grit?
How many pounds/ounces of rocks can you put into the barrel with grit for tumbling?
How long does it take from start to finish? And can you use any rocks or only the ones that come with it

Common Questions

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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€ 145.41

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

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National Geographic Starter Rock Tumbler Kit Durable Leak Proof Rock | Desertcart Finland