Model Train Guides
Lionel Train Sets: Union Pacific, Frozen Olaf or Winter Wonderland?

For a railroad freight scene, start with Lionel Union Pacific Flyer #2523160. For moving Frozen characters, compare Olaf #2423040. For a holiday train with white track, look at Winter Wonderland #2523170. These three Lionel train sets share the essentials for a first circuit: a locomotive and tender, three cars, track, a power supply and a handheld remote. Their themes and included cars give you different reasons to choose one.
Decide what you want to watch each time the train passes. A traditional freight consist, a character peeking out of a car and a coordinated winter display offer quite different experiences, even when the sets use the same O gauge.
Three Lionel sets, three different scenes
| Set | Cars behind the tender | Main reason to choose it |
|---|---|---|
| Union Pacific Flyer #2523160 | Boxcar, tank car and caboose | Union Pacific freight styling for a railroad scene |
| Frozen Olaf #2423040 | Boxcar, Olaf and Sven Peekaboo Car, and caboose | Character movement as the train runs |
| Winter Wonderland #2523170 | Sleigh Bells & Co. boxcar, Whimsical Winter Mix tank car and caboose | A winter color scheme and included white FasTrack |
The locomotive and tender are additional to those three cars. All three sets include a LionChief remote, so an optional phone connection does not have to be your first operating step. Choose the scene first, then check its exact package and the space you can give it.
Union Pacific Flyer: build around a freight train
The Union Pacific Flyer uses an 0-8-0 steam locomotive with a tender and three different freight-car shapes. The silver tank car, red boxcar and yellow caboose give the train variety without tying your scenery to a film or holiday.

Union Pacific Flyer #2523160
A freight scene led by a steam locomotive, with a boxcar, tank car and caboose. Choose this set when the railroad itself is the theme you want to develop. Check the Union Pacific Flyer setThis is a useful starting point if you picture a station, loading area or simple town beside the track. You can leave the surroundings undecorated at first and decide what to add after watching the train run. The set supplies the train and operating components; your chosen buildings and scenery are a separate part of the project.
Frozen Olaf: make the passing train the attraction
Olaf #2423040 has a blue 4-4-2 steam locomotive, a lighted tender and an Olaf and Sven Peekaboo Car. Lionel describes the characters bobbing into view as the train moves. That gives you a specific feature to watch, beyond the color and graphics.

Frozen Olaf #2423040
The Peekaboo Car adds character movement, while the blue locomotive and lighted tender carry the Frozen theme through the train. Explore the Frozen Olaf packageArrange the circuit so the character car passes a place where you can see its side clearly. A large building placed directly in front of it could hide the very feature you chose the set for. Keeping that sightline open is more useful than filling every empty patch with scenery.
Match the item number when shopping. This comparison uses #2423040; the separately named Frozen 2 set #2023040 is a different listing. The Frozen name alone does not identify the package described here.
Winter Wonderland: coordinate the train and track
Winter Wonderland #2523170 pairs a white 0-8-0 steam locomotive with red and green rolling stock. White FasTrack carries the winter theme through the circuit itself. Lionel specifies an included oval measuring 40 by 60 inches.

Winter Wonderland #2523170
A coordinated holiday train with white FasTrack. Start with its stated 40-by-60-inch oval, then allow extra room for access and decorations. See the Winter Wonderland setFor a seasonal display, lay out the complete track before placing a tree, village or other decorations. Keep room to reach the train and its connections. The train should remain easy to retrieve even after the scene looks finished; a tightly packed display can make a simple adjustment awkward.
Plan the circuit, not just the train's length
A train-length measurement describes the coupled train, not the surface needed for its track. Start with the set's track plan and measure the intended floor or tabletop area. The 40-by-60-inch figure above belongs to Winter Wonderland's stated oval; do not substitute a locomotive's minimum-curve rating for a complete layout measurement.
Each of these three package lists includes eight O36 curved FasTrack sections, two 10-inch straights, a terminal section and a power lock-on section. Check the instructions for their arrangement and leave clearance around the outside of the circuit. If you want to join an existing layout, use our guide to Lionel systems, curves, power and control before ordering extra track.
Questions before choosing your set
Are these locomotive-only purchases?
No. These exact three packages include track, a power supply, a remote, a locomotive with tender and three cars. Check the item number and current package description; a similarly named individual locomotive is a different purchase.
Do I need a phone to start?
The included LionChief handheld remote provides an operating option for each set. Bluetooth control is an additional option. Follow the instructions for your exact set when choosing an app or setting up controls, and check the remote's battery requirements before the first session.
Does the Frozen theme make Olaf a preschool train?
Lionel marks all three of these exact sets for ages 14 and up. Use the stated age guidance and operating instructions when choosing a gift; familiar characters do not change that marking.
Which one should I choose for a holiday display?
Winter Wonderland is the direct choice if you want the train and white track to share a seasonal look. Olaf suits a Frozen scene with a moving character feature. Union Pacific works when you prefer the railroad to remain the focus, with seasonal decorations around it.
Check the exact set before ordering
Open the matching product above to check its current purchasing options, package details and delivery information. To explore more from the same brand, browse Lionel trains and accessories. For another hobby or project, return to our product guides.

