Each stone shows a dinosaur footprint on one side and its owner on the other. Includes Apatosaurus, Deinonychus, Hypsilophodon, Iguanodon, Quetzalcoatlus, Stegosaurus, Triceratops and Tyrannosaurus Rex. Children will enjoy making crayon rubbings, impressions in play dough, footprint trails and comparing the different shapes of the footprints and characteristics of the dinosaurs. Made from a unique stone mix, they are durable for use outdoors in mud, sand, water or soil. Contains 8 double-sided stones 3.5" x 2.30". Set of 8. Age 3 and up.