National Geographic Gigantic Geode Kit

Break open a huge geode and reveal the sparkling crystal formations inside! This super-sized specimen measures 4.3–5.1 inches across, making it a standout treasure kids will love to crack open.

• One gigantic genuine geode (4.3–5.1")
• Each geode is unique with its own crystal structure and mineral colors
• A fun geology activity and rock-and-mineral gift for boys and girls