-20 colourful play pieces in each book. -Inventive comination of interactive play, story learning, rhyming text with questinos to prompt conversation, and lots of labels to teach key words.There's a whole Busy Little World to explore!Children can press out all the play pieces and have fun putting them into place throughout the book in this interactive and educational series.Readers can help Percy the train driver get dressed in his hat and waistcoat,...