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Thames & Kosmos Rock Tumbler
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  • Thames & Kosmos Rock Tumbler
  • Thames & Kosmos Rock Tumbler
  • Thames & Kosmos Rock Tumbler
  • Thames & Kosmos Rock Tumbler

Thames & Kosmos Rock Tumbler

# 40537
$49.99

Transform rough rocks into gorgeous polished gems! A great STEM gift for future geologists and earth scientists, this kit includes everything kids need to turn rough, ordinary rocks into polished gemstones. Jewelry fastenings allow your kids to create beautiful keepsakes from their favorite specimens. Don't worry, parents! The powerful, long-lasting motor and leak-proof noise-reducing barrel is built with durability in mind: once they've polished the included rocks, kids can continue their experiments by tumbling rocks, glass, wood, and other materials they collect.

Kit includes 1 high-quality rock tumbler with 450 g capacity; 200 g / 7 oz of rough rocks in 10 assorted gemstones; 4 grit packets; strainer; jewelry settings: necklace, keychain, ring, earrings; manual and educational poster. USB-C powered, cable included.

From Thames & Kosmos, for ages 8+ yrs.

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Safety Information
Warning: 1) Ages 0-15 months: Risk of Suffocation. Infants have suffocated on inflatable mattresses. Never place an infant 15 months and younger to sleep on an inflatable mattress. 2) When used by children over 15 months old: Provide at least a shoulder width space between mattress and walls, dressers or other vertical objects to avoid entrapment. 3) Always keep mattress fully inflated when in use. 4) Do not use in water, not a flotation device.
  WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
Product Specifications
  • Brand: Thames & Kosmos.
  • Item Number: 40537.
  • Manufacturer Number: 678006.
  • UPC: 814743019812.
  • Recommended for ages : 8 to 13+.
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-Shipping Estimate
Local Delivery to Bryn Mawr area (min $50 order): See shipping page for details$0.00
Local Pickup at Lucky Duck Toys: Orders should be ready within 2 hours. We will email you when your order is ready for pickup. $0.00
Local Delivery to Bryn Mawr area: See shipping page for details$10.00
Standard Shipping$12.95
Expedited Shipping$20.50