Description These and adorable rocks are friendly partner for aquarium and potted plant to decorate your home. It is not only good for health, but also can reduce electromagnetic radiation and demagnetizing. Great choice for children learning to expand their sight, close to nature and improve their knowledge. Feature - Color: As shown. - Main material: Agate. - Size: About 7-9mm. - Weight: 50g. - Friendly partner for aquarium and potted plant to decorate your home. - Good for health. Reduce electromagnetic radiation and demagnetizing. - Each particle is about 7-9mm. - Great choice for children learning, to expand their sight, close to nature and improve their knowledge. - Perfect for kids to learn about mineral.Package list: 1 x Bag Crystal Quartz Yellow Agate Tiger's Eye Turquoise Red Agate Aventurine Lapis Lazuli for Art Craft Projects