This is the HO scale E-Z Track Assorted Straight Track Sections by Bachmann® For ages 14 years and up FEATURES: The (10) pieces of track in this package are designed to provide layout flexibility and can also be used as gap fillers in more sophisticated railroad contruction Snaps together and stays together on floors, tables and carpets No nails, screws, or special tools needed HO scale INCLUDES: (2) .75" sections (19 mm) (2) 1" sections (25.4 mm) (2) 1.25" sections (37.75 mm) (2) 1.50" sections (38.1 mm) (2) 2" sections (50.8 mm) COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger bl 10/14/09