Originally The Thomas & Friends Take Along Add-on Track Set features 20 pieces of gray tracks designed for 3-4-year-old children. This set allows kids to expand their existing track layouts and create new adventures for their Thomas & Friends diecast toy vehicles. With the beloved characters and vibrant colors, this add-on track set is sure to provide hours of imaginative play for young fans of the Thomas & Friends franchise. There are 4 extra pieces in the bag making it a total of 24 pieces of track.