Many children are filled with awe wonder and excitement about dinosaurs and other prehistoric animals. The Yellow Door Let's Investigate Prehistoric Teeth can be sorted and easily cleaned extending the learning to dental hygiene. Made from a durable stone mix the teeth are designed for use in soil mud sand and water.Set contains eight teeth stones:AllosaurusIguanodonMammothPliosaurPtychodusStegosaurusTriceratopsTyrannosaurus rexMax length 105mm. Age Suitability: 2 Years +