Learning through play: That's the hallmark of Twirl's popular Megnetology (TM) series. Forty-five magnetic pieces provide kids with lots of fun-and knowledge-that they can use to fill five dramatic oversised scenes. Fascinating information just right to for its audience about the Jurassic, Cretaceous, and Triassic periods are packed into this all-in-one playset, along with many facts about various prehistoric creatures. The perfect travel and take-along book for young dinosaur fans.