Discovery Mindblown Rock Tumbler Motorized Stone Polishing Kit (6 Pieces)

Turn rough rocks into sparkling treasures with the Discovery Mindblown Rock Tumbler Motorized Stone Polishing Kit. Just add water, grit, and stones to the tumbler, and watch as the machine transforms them into polished gemstones. Complete with starter stones, grit packs, and a gem display case, this all-in-one kit makes learning geology exciting, hands-on, and creative. Suitable for children aged 8 years and above.