Chuggington Die-Cast Engine - Piper is a precocious 2-year-old that loves to talk! As the newewst trainee to join the group, she is the first biofuel engine in Chuggington. Durable die-cast construction. Realistic decoration. Collect all of your favorite Chuggington characters! Chuggington is a fun animated TV series for your preschooler. Learn all about trains from Chuggington and experience fun new adventures. Enjoy action-packed train play with Chuggington Die-Cast! With its wide assortment of collectible characters and exciting play sets, your child can recreate favorite Chuggington episodes or imagine new adventures.