Realistic magnetic fossils made from mixed Poly+ Features fossils of the following; Megalodon Tooth, Tyrannosaurus Rex Claw, Ammonite, Trilobite, Gastropods, and Velociraptor Claw Matching pieces fit together with a satisfying click sound Each matching fossil measures 3.03"W x 3.41"H x 1"D For ages 2 years and up 2 years & up. Children can learn through play with the Magnetic Matching Fossil Stones set. Interesting textures, a subdued natural color scheme, and authentic replicated fossils will spark a deeper interest in science activities inside and outside the classroom. Set features 6 matching sets of fossil stones, that when opened, reveal a fossilized imprint of a different species; Megalodon Tooth, Tyrannosaurus Rex Claw, Ammonite, Trilobite, Gastropods, and Velociraptor Claw. Encourage color matching and shape recognition while children learn about extinct species. A satisfying magnetic click will indicate a correct match has been made.