National Geographic – Geodes
Discover Crystal Treasure
When you break open these rocks to find amazing crystals inside.
Hand-selected geodes for interesting, vibrant crystals.
100% Natural Geodes
May be as big as a tennis ball or as small as a ping-pong ball and are the perfect size for kids.
16 Page Full-Colour Learning Guide
Describes how geodes are formed and details the variety found in nature.