Natural Trilobite-Fossil with Wooden Box Crownworm Teaching Paleontology Science Specimen Description: brand new and high quality Features: These trilobites are from the late Ordovician period, meaning they are 450-560 million years old! Authentic Trilobite-fossil Please note these are completely authentic and natural specimens. Each trilobite will be slightly different in shape, color, and size. A dream gift for collectors and fossil- enthusiasts.Educational toy Tip: We will try our best to select the best quality products to deliver to you. Specifications: Item Type: Natural Trilobite-Fossil Material: Natural -Fossil Size: approx. 5-8cm / 1.97x3.15in Color: As Shown Pattern: Random Deliver (If you buy more than one, colors you receive will be same or different.) Quantity: 1Pc Note: Transition: 1cm = 10mm = 0.39inch. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Natural Trilobite-Fossil (other accessories demo in the picture is not included.)