Chuggington StackTrack is a track system that allows layouts to expand up. Based on the "Chug Patrol and the Rescue at Rocky Ridge" Chuggington episode, this playset allows young engineers to recreate the exciting adventure. After receiving her new rocket boosters and speeding a little too quickly through Rocky Ridge Mine, Koko gets trapped in a crevice under a pile of rubble. Chug Patrol Wilson must come to the rescue, using his new Chug Patrol skills. He bursts through the entry barriers, barrels through the mine shaft, crashes through the archways, and must avoid the tumbling boulder on his way to save the day. HeightChuggington StackTrack is an innovative track system that allows train track layouts to expand up, up, up. For the first time ever, young engineers can add extreme height and elevation to their train track layouts for imaginative and unique sets with endless possibilities. Sturdy track and risers that are easy to connect make building and constructing layouts simple and enjoyable for kids of all ages. StackTrack sets are also perfect for compact spaces. Includes special deco High Performance Wilson and Koko. Action, Adventure, and Excitement Chuggington StackTrack playsets are packed with action, adventure, and excitement. Sets include favorite features such as unique destinations, extreme inclines and declines, crashing, racing, cargo pick-up and drop-off, and big rescues. Promoting teamwork, bravery, problem-solving, and heroism, Chuggington playsets are perfect for young engineers and their imaginations. Every StackTrack playset is compatible, so the more you collect, the taller, wider, and more creative your train track layouts become. Each individual playset comes with alternate layouts, so there are multiple ways to play in every box. Tumbling boulder, crashing gates, and super steep hills. TV Series Join your favorite trainees and visit fun destinations from the popular Chuggington TV program. Die-Cast engines are high quality, durable, and fit perfectly in small hands. Collect and connect them all.