Description
National Geographic Rock Tumbler Scientific Kit A chance to discover the world of rocks and minerals! Rock Tumbler with viewing window polishes rocks to create semi-precious gemstones and comes complete with craft kit for children to make jewellery and gifts. Discover the world of rocks and minerals Polish rocks to create semi-precious gemstones Polishes small stones to a smooth gleam that uncovers their incredible hidden patterns- colours- and structures and even has a window that lets kids watch the process unfold. Includes craft kit 10+ years