This selection of pebbles, stones, gemstones, clusters, pyrite, and agate enables children to explore, discuss and discover the natural outdoor environment. Great for students to study how natural resources play a crucial part in the global ecosystem functioningDetails:Includes 11 productsStudents learn the origins of natural scienceGreat for arts and craft projectsFor ages 3 and upContentsRiver Pebbles (250g)Small Polished Stones-Black (250g)Small Polished Stones-Tiger Eye (250g)Small Polished Stones-White (250g)Small Polished Stones-Assorted (20g)Small Gemstones (60g)Amethyst Points (250g)Amethyst Clusters (250g)Small Agate Slice (1)Iron Pyrite (60g)Large Agate Slice (1)