The combination of the Brio 33773 Railway Starter Pack A or Brio 33878 Lift & Load Set  with this Brio 33394 start track pack B it will immediately give the ability to build many different layouts so more tracks = more fun and that is the truth. This item includes 1x Buffer, 3x Junctions, 4x Mini Straights, 1x Long straight, 2x Medium Straights, 2x Small straights hence a ideal toy for children three years and up