Compare 7 versions of the Lionel Polar Express train set, from LionChief O gauge and HO to battery and tree sets, with track, power and remote details.

Seven ready-to-run HO train sets compared by oval size, track system, DC or DCC and sound, using each maker’s own specs. Pick your first set.

7 N scale train sets from Kato and Bachmann, with what is in each box, DC or DCC, track geometry and the table space an oval needs.

Compare 9 of the best model train sets for beginners in N, HO and O scale, with track size, DC or DCC power, and what to buy second.

9 Christmas tree train sets for under or on the tree, from N scale to O gauge, with track size, power type and safety notes for gift buyers.

Nine model train layout software tools compared: SCARM, AnyRail, XTrackCAD, Atlas and more, with real prices, free-version limits and what each is best at.