Metroliner #10001 worth

Based on the information provided from your catalog search, the Metroliner #10001 — LEGO Train Set Value (LEGO Train) has a typical used value of $575.

Since the other two items, "LEGO Metroliner (10001-1) (9V)" and "LEGO Metroliner Kit (K10001-1) (9V)," are listed as unpriced in your current view, I cannot give you a specific valuation for them. Generally, for LEGO sets, the final value is heavily influenced by the condition (e.g., complete, box condition) and whether it is sealed or loose. You can compare the live asking prices for these items on the page against the $575 sold value for the first item to see what the current market is asking.