Discovery rock tumbler

描述

Transform dull, rough rocks into semi-precious stones with the Discovery Rock Tumbler! Head out on an adventure or collect rocks on your next vacation and turn them into beautiful keepsakes. Put them in dull and watch as your rock morphs into a precious polished stone! Explore the rock cycle and observe how rocks transform into different colors, shapes and sizes. Display the polished rocks in a special place or turn them into unique jewelry pieces or decor. This machine is an electrically operated product and is not recommended for children under 10 years of age.