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Header banner left: the Walthers' National Model Railroad Build Off 2026 logo. Centered text: Join in the celebration of America's 250th anniversary. In larger text, Build the Spirit of America: From Past to Present. Header right, an image of an eagle bust wearing a patriotic hat.

Walthers 2026 National Model Railroad Build-Off Gets Rolling June 1st with a Star-Spangled Celebration!

In honor of America’s 250th anniversary, this year’s Build-Off invites you to bring history, heritage, and creativity to life on the rails. From the earliest days of railroading to today’s modern landscape, it’s your chance to celebrate 250 years of the American story in miniature.

SELECT YOUR CATEGORY

There's something for everyone—youth or adult, individual or team—with four categories to choose from this year.

CREATE YOUR ENTRY

Use your skills to bring your creative vision to life. Let your imagination run wild as you build a scene that captivates and inspires.

SUBMIT YOUR ENTRY

Once your entry is complete, simply fill out the entry form, upload your photos and secure your chance to win!

KEY DATES TO REMEMBER

CONTEST BEGINS

6/1/2026

ENTRIES DUE

10/1/2026

WINNERS ANNOUNCED

NOVEMBER, 2026

2026 ADULT CATEGORIES

ADULT - Historical Diorama: Celebrating America's 250th Anniversary

This year’s theme honors America’s 250th Anniversary, inviting modelers to celebrate the nation’s rich history, enduring spirit, and the vital role railroads have played in shaping it. From the expansion westward to the growth of industry and community, railroads have long been woven into the American story. Entrants are encouraged to interpret this milestone in a way that is meaningful to them—whether by recreating a defining historical moment or capturing the essence of America’s journey through time. It’s an opportunity to reflect on 250 years of progress, innovation, and imagination, and to bring that story to life in miniature.

Open to age 15 years old and over.

1ST PLACE - $1,000 CASH

2ND PLACE - $500 CASH

3RD PLACE - $250 PRODUCT BUNDLE


ENTRY SIZE REQUIREMENT: 2’W x 1’D

No purchase necessary to enter. However, all submissions must incorporate at least three Walthers-branded products, which can consist of items already owned by the entrant. Each entry must include track and at least one locomotive and/or train car.

ADULT - Patriotic Paint Scheme: Freight Car Decorating

This category celebrates America’s 250th Anniversary through paint and design, inviting modelers to turn a freight car into a patriotic tribute. From bold red, white, and blue to subtle historical nods, each entry reflects personal interpretations of American pride on a rolling canvas.

Open to age 15 years old and up.

Not open to residents of Colorado, Maryland and North Dakota due to state legal laws regulating contests.

1ST PLACE - $500 CASH

2ND PLACE - $250 CASH

3RD PLACE - $100 PRODUCT BUNDLE


ENTRY SIZE REQUIREMENT: 2’W x 1’D

Requires the purchase of a select WalthersMainline® HO Freight Car available for purchase June 1, 2026.

ADULT - All American Favorite: Weathering

Bring on the grit and grime by realistically weathering the car using your choice of materials and methods; fading, rust, dirt, and wear.

Open to age 15 years old and up.

Not open to residents of Colorado, Maryland and North Dakota due to state legal laws regulating contests.

1ST PLACE - $500 CASH

2ND PLACE - $250 CASH

3RD PLACE - $100 PRODUCT BUNDLE


ENTRY SIZE REQUIREMENT: 2’W x 1’D

Requires the purchase of a select WalthersMainline HO Freight Car available for purchase June 1, 2026.

2026 YOUTH CATEGORIES

YOUTH - Historical Diorama: Celebrating America's 250th Anniversary

This year’s theme honors America’s 250th Anniversary, inviting modelers to celebrate the nation’s rich history, enduring spirit, and the vital role railroads have played in shaping it. From the expansion westward to the growth of industry and community, railroads have long been woven into the American story. Entrants are encouraged to interpret this milestone in a way that is meaningful to them—whether by recreating a defining historical moment or capturing the essence of America’s journey through time. It’s an opportunity to reflect on 250 years of progress, innovation, and imagination, and to bring that story to life in miniature.

Open to age 14 years old and under.

1ST PLACE - $1,000 CASH

2ND PLACE - $500 CASH

3RD PLACE - $250 PRODUCT BUNDLE


ENTRY SIZE REQUIREMENT: 2’W x 1’D

No purchase necessary to enter. However, all submissions must incorporate at least three Walthers-branded products, which can consist of items already owned by the entrant. Each entry must include track and at least one locomotive and/or train car.

YOUTH - Patriotic Paint Scheme: Freight Car Decorating

This category celebrates America’s 250th Anniversary through paint and design, inviting modelers to turn a freight car into a patriotic tribute. From bold red, white, and blue to subtle historical nods, each entry reflects personal interpretations of American pride on a rolling canvas.

Open to age 14 years old and under.

Requires the purchase of a select WalthersMainline® Freight Car available for purchase June 1, 2026.

Not open to residents of Colorado, Maryland and North Dakota due to state legal laws regulating contests.

1ST PLACE - $500 CASH

2ND PLACE - $250 CASH

3RD PLACE - $100 PRODUCT BUNDLE


ENTRY REQUIREMENT:

Requires the purchase of a select WalthersMainline HO Freight Car available for purchase June 1, 2026.

YOUTH - All American Favorite: Weathering

Bring on the grit and grime by realistically weathering the car using your choice of materials and methods; fading, rust, dirt, and wear.

Open to age 14 years old and under.

Not open to residents of Colorado, Maryland and North Dakota due to state legal laws regulating contests.

1ST PLACE - $500 CASH

2ND PLACE - $250 CASH

3RD PLACE - $100 PRODUCT BUNDLE


ENTRY SIZE REQUIREMENT: 2’W x 1’D

Requires the purchase of a select WalthersMainline HO Freight Car available for purchase June 1, 2026.

2026 FREESTYLE CATEGORY

ADULT & YOUTH

Show us your modeling chops in whatever scale you like! Create a 4' x 2' diorama that showcases your creativity and craftsmanship. The theme is entirely up to you, whether it’s a bustling cityscape, a serene natural setting, or a charming farm scene. Let your skills shine and impress the judges with intricate details and innovative techniques.

1ST PLACE - $2,000 CASH

2ND PLACE - $1,000 CASH

3RD PLACE - $500 PRODUCT BUNDLE


ENTRY SIZE REQUIREMENT: 4’W x 2’D

Open to all ages, individuals or teams. Entrants build a scene using materials of their choice. Must include a minor consent form for any participants under the age of 18.