MAKE ANY STONE SPARKLE and polish everyday rocks into dazzling gemstones
ENHANCE YOUR ROCK COLLECTION or start a new one! Makes all rocks shine like professionally polished stones
EVERYTHING IS INCLUDED in the kit; tumbler, four polishing grits, sifter, learning guide PLUS nine types of real rough gemstones
EASY TO USE with our simple instructions, one-touch settings and an automatic shutoff timer
100% SATISFACTION GUARANTEED - For 129 years, National Geographic has been committed to providing fun and fascinating educational opportunities for children