cleaning

Hi all, I bought a thunderbolt express Mehano Masters used train set for my son. Our first non-battery powered set. The tracks are quite rusty. Any tips on how to clean that for someone with almost no experience? Thank you in advance for any replies. :D

Hello all, This seems like a very helpful forum with kind and helpful people, so I thought I would join in. A quick bit about me: used to have a train when I was about 7-8 years old, put away because I was growing up and grown up kids don't play with trains (right?) and I left it in its box...