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Explorer Series Rock Tumbler Kit

Explorer Series Rock Tumbler Kit

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Nordstrom price tracker

14-day low
$55.99
Sep 13 · Nordstrom
Best price
$55.99
−0% vs high
14-day high
$55.99
All stores
$56$56$56
Sep 13Sep 26
  • Nordstrom
Lowest in 14 days: $55.99 at Nordstrom. Highest: $55.99. Current best is 0% below the 14-day high.

About this product

The National Geographic Explorer Series Rock Tumbler Kit is a hands-on science activity designed for children aged 8 and up, enabling them to polish raw rocks into smooth, shiny gemstones. The kit includes a low-noise, leakproof tumbler with an automatic shut-off feature and built-in timer, along with one pound of rough gemstones, eight packets of polishing grit, a storage pouch, five jewelry fastenings, and detailed instructions. It provides a safe and engaging way for young learners to explore geology and create personalized keepsakes from natural stones.

  • Ages 8 and up
  • Includes 1lb rough gemstones
  • Low noise, leakproof design
  • Built-in timer and auto shut-off
  • Contains 8 grit packets
  • Includes jewelry fastenings

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Explorer Series Rock Tumbler Kit — Price Tracker & History