Blue track set for the Plarail series, including straight, curved, and branching tracks, with yellow support blocks. Contents: Long rails: straight x 4, curved x 2, base x 1 Medium rails: straight x 15, curved x 30 Short rails: straight x 10 Branching rails x 7 Stop rails x 5 My grandson used these, and now that he's in junior high school, I'm listing them hoping someone else can enjoy them. Thank you for looking.