McDonald's endless fries are coming to America — but there's a huge catch

This McDonald's Serves Only French Fries

McDonald's is opening a restaurant next week featuring all-you-can-eat fries.

The new 6,500-square-foot "McDonald's of the future" will open August 4 in St. Joseph, Missouri.

In addition to endless fries, the restaurant will also feature a dessert bar, a three-story play-place for kids, and table service, according to franchise owner Chris Harbiger.

The all-you-can-eat fries is a first for McDonald's, but there's a catch — it's only a temporary promotion aimed at drawing in new customers and building buzz around the restaurant opening.

Harbiger did not say how long the promotion will last.

See a fresh-cut ranking of french fries at your favorite fast food chains:

A fresh-cut ranking of fast food's best french fries
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A fresh-cut ranking of fast food's best french fries

The new McDonald's will also feature digital kiosks for customers to order their food — which McDonald's is now adding to restaurants across the country — a "party room" for rent, and modern-looking couches and arm chairs for hanging out.

The restaurant will try to appeal to young moms by hosting events for mothers and kids during the day, such as play groups and children's book readings, according to its Facebook page.

Biz Carson/Business InsiderThat's something rival chain Chick-fil-A has been doing for years. Chick-fil-A has also added a "mom's valet" service to make ordering easier for parents.

The new play area for kids will be unlike any other McDonald's play-place, featuring interactive light board tables and tabletop video games.

Check out these epic french fry combos you have to try once in your life:

7 french fries you have to try once in your life
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7 french fries you have to try once in your life

Ooey Gooey Fries
Los Angeles, California

Beer-battered fries covered in three cheeses (monterey jack, cheddar and cojita), sour cream sambal, chillies and pickled garlic.

Price: $6

Photo credit: Facebook

Pastrami Cheese Fries
Kenny and Zukes
Portland, Oregon

Classic French fries topped with your choice of beef or turkey pastrami and then covered in melted cheeses.

Price: $11.95

Photo credit: Facebook

Urban Fries
Jack's Urban Eats
Sacramento, California 

Thin fries cooked in super spicy chili oil and topped with melted bleu cheese and chili flakes.

Price: $3.95 for regular size, $5.25 family size

Photo credit: Facebook

Boston, Massachusetts

Specially hand-cut fries that are topped with cheese curds and gravy and your choice of add-ons, which include a deep-fried egg, bacon bits, truffle mushrooms, pork belly and a "bacon n' stout" braised beef.

Price: Regular size for $6.75, Big for $8.50
add-ons are $1.50 for a fried egg and $3 (each) for bacon bits, truffle mushrooms, pork belly and braised beef

Photo credit: Facebook

Dirty Dirty Fries
Pickled Fish
Long Beach, Washington

Thick, hand cut fries covered in garlic, fried pork belly, Pepperoncini and goat cheese. Served with truffled ketchup. 

Price: $10

Photo credit: Facebook

Loaded Crack Fries
Detroit, Michigan 

Beer battered French fries topped with black pepper seasoning, smoked bacon, pickled jalapeños, red onions and cheese sauce. And if that's not enough, there's also an option to add chili.

Price: $7.50 (+$2.00 for chili) 

Photo credit: Facebook

Smothered Fries
Shaved Duck
St. Louis, Missouri

Hand cut fries topped with pulled rib and pork meat, cheese sauce and fresh, sharp cheddar.

Price: $9.99

Photo credit: Facebook


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