This information might be useful in planning where you are going to store the tracks.

• Our Combination Track/Optics Bench (TRACK)
  122 cm long, 10.5 cm wide, and 2.5 cm thick.
• Our Combination Track/Optics Bench (TRACK-LONG)
  220 cm long, 10.5 cm wide, and 2.5 cm thick.

For information on the dimensions of the grooves on the track, see
What are the dimensions for the different slots on a Vernier dynamics track?