Thomas and Friends Lookout Mountain Diecast Toy Trains & Play Pieces, Preschool Toys, 10-Piece Set. Can Thomas and his adventure-loving friends uncover the secret hiding in the mines? Kids can relive all the exciting action of the “Mystery of Lookout Mountain” episode of Thomas & Friends: All Engines Go with this set of diecast metal vehicles and accessories, including Thomas, Percy, Diesel, Kana, Nia, Sandy the Rail Speeder, Darcy the Driller, and Carly the Crane. Just push to send these railway pals racing along to the next Sodor adventure!