Discover the fascinating world of geology with the Discovery™ #MINDBLOWN Rock Tumbler Motorized Stone Polishing Kit. Designed for kids aged 8 and up, this kit includes everything needed to start tu ... rning rough rocks into polished gems. With a motorized, USB-powered tumbler and multiple grit options, it offers a fun, interactive way to learn about natural sciences and the art of gem polishing. Watch as the tumbler transforms stones into shiny treasures, making science both accessible and exciting for young learners. Perfect for educational exploration at home or in the classroom, this rock tumbler is a must-have for any budding geologist. Motorized rock tumbler polishes ordinary rocks into gems. ✔ COMPLETE STARTER KIT: Includes everything needed to begin your rock tumbling journey—assorted starter stones, medium and fine grit polish, and a detailed tumbling guide to get you started. ✔ EDUCATIONAL AND FUN: Dive into the fascinating world of geology and gemology! This kit provides a hands-on learning experience, teaching the scientific process behind rock tumbling. ✔ EASY TO USE: Simply add stones, grit, and water, then start the tumbler with the USB-powered motor for a smooth and efficient polishing process. ✔ GREAT FOR KIDS AND ADULTS: Designed for ages 8 and up, this kit makes an engaging educational tool that sparks curiosity about natural sciences and the beauty of geology ✔ PLAY & LEARN: At the intersection of inspiration, curiosity, & STEM-based edutainment, our toys help spark the imagination & promote the development of science, technology, engineering & math skills.