Discovery™ Rock Tumbler Deluxe Set – Stone Polishing Kit with Rocks, 4 Grits, Gem Case| STEM Science Project Kit for Kids & Beginners| Cool Toy for Boys & Girls Ages 8+

✔ TRANSFORM ROUGH ROCKS INTO SHINY GEMS: Explore the fascinating world of geology by turning rough stones into polished gemstones. This hands-on kit is a fun and educational way for kids to discover the beauty of natural stones.

✔ DELUXE KIT WITH 20 STONES & 4 GRITS: Start right away with 20 starter stones, four stages of grit, a replaceable band, and a motorized tumbler barrel—all the essentials for a successful rock polishing journey.

✔ QUIET RUBBER BARREL FOR HOME USE: The durable rubber barrel reduces noise, allowing for a quieter tumbling experience, making it easy to use at home without disruptions.

✔ SIMPLE OPERATION FOR ALL SKILL LEVELS: Just add water, grit, and stones, then turn on the tumbler and watch it work. Perfect for beginners and budding rock collectors who want an easy, hands-on introduction to stone polishing.

✔ GEM DISPLAY CASE INCLUDED: Keep your polished gems organized and beautifully displayed with the included clear gem case, ideal for showcasing your growing collection.

✔ STEM-APPROVED EDUCATIONAL FUN: Aligned with STEM standards, this rock tumbler kit makes learning about earth sciences interactive and engaging, sparking curiosity in young scientists.