Transform rocks into stunning gemstones with the Smithsonian® Rock Tumbler Refill kit!
Budding geologists will love placing the rough rocks in the tumbler (sold separately) and watching as they spin into perfectly polished stones! Plus, with this fun and educational kit, kids can turn their new gemstones into cool trinkets. Hours of entertainment for curious young minds.
Fuel their imagination and creativity with this educational rock tumbler refill kit
Features everything they need to transform rocks into shiny gemstones!
Easy-to-use, with mechanical tumbling action
Includes precious stones, coarse grit, medium grit, polish, plastic anchors and easy-to-follow instructions
Also includes key rings, cord and white glue to make necklaces, charms and key chains
Compatible with the NSI® Rock Tumbler (sold separately)
Recommended for ages 10 years and up
Contains small pieces which can pose a choking hazard; not suitable for children under 3 years