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Fall/Autumn Jigsaw Puzzles
A partially completed floral jigsaw puzzle lies on a wooden table with sunlight casting across it; puzzle box and pieces are visible nearby.

The Puzzle Theory

"We started The Puzzle Theory to create small, quiet moments of pause — a gentle rebellion against the rush of everyday life, the pressure to always be productive, and the growing distance from the art and stories we love.

As an accountant by trade, my days were filled with numbers and structure. But somewhere between spreadsheets and schedules, I began to long for something slower, more human — something that brought me back to the quiet joy of creating, piece by piece.

Through our puzzles, we hope to share the beauty and enduring stories found in literature, classic art, and thoughtful illustration. From timeless masterpieces to gentle scenes full of meaning, each puzzle is our invitation — to pause, reflect, and rediscover a sense of wonder.

We hope you’ll join us — and find in every puzzle a quiet kind of joy."

- Shelly C

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The Puzzle Theory's Mellow Room is a 500-piece jigsaw puzzle designed by Asami Watanabe, featuring a vivid table scene with glassware, candles, flowers, and fruit on a pink background with scattered pieces.
The Puzzle Theory

Mellow Room | 500 Piece Jigsaw Puzzle

5.0 (1)

£31.00

£31.00

In stock

The Puzzle Theory's Blissful Tears is a 300-piece eco-friendly jigsaw puzzle featuring artwork of a hand pouring water into a fountain against a red and pink striped background with scattered puzzle pieces.
The Puzzle Theory

Blissful Tears | 300 Piece Jigsaw Puzzle

5.0 (4)

£25.00

£25.00

In stock

The Puzzle Theory’s “Cottage Welcome” is an 896-piece eco-friendly jigsaw puzzle featuring a cozy cottage scene on a pink background, with scattered pieces inviting you to complete this charming artwork.
The Puzzle Theory

Cottage Welcome | 896 Piece Jigsaw Puzzle

5.0 (2)

£38.00

£38.00

In stock

The cover of The Puzzle Theory’s “Poolside Chill” 196-piece jigsaw puzzle features three playful cartoon dogs in swimsuits and sunglasses relaxing by a pool, surrounded by cacti. Loose pieces scattered around the box add to the fun, making this vibrant summer puzzle perfect for anyone who enjoys cheerful, sun-filled scenes.
The Puzzle Theory

Poolside Chill | 196 Piece Jigsaw Puzzle

£18.00

£18.00

In stock

The Scarf Squad | 196 Piece Jigsaw Puzzle by The Puzzle Theory features a delightful illustration of a woman, a cat, and a dog all sporting headscarves, with scattered pieces displayed on a white background. Crafted from recycled paperboard, this charming and eco-friendly scarf puzzle is perfect for any puzzler.
The Puzzle Theory

The Scarf Squad | 196 Piece Jigsaw Puzzle

5.0 (1)

£18.00

£18.00

In stock

A red box labeled "Waiting For Santa | 896 Piece Jigsaw Puzzle" by The Puzzle Theory features Kim Jacobs’ illustration of children by a window, with festive jigsaw pieces scattered on the right.
The Puzzle Theory

Waiting For Santa | 896 Piece Jigsaw Puzzle

5.0 (1)

£41.00

£41.00

In stock

Introducing Little Adventurers | 196 Piece Jigsaw Puzzle by The Puzzle Theory—a whimsical children’s puzzle featuring a charming illustration of a child, a cat, and a duck strolling across rolling green hills, with loose pieces inviting playful assembly. Crafted from recycled paperboard, this delightful puzzle blends eco-friendly fun with imaginative play.
The Puzzle Theory

Little Adventurers | 196 Piece Jigsaw Puzzle

5.0 (1)

£18.00

£18.00

In stock

Blooming Drive | 196 Piece Jigsaw Puzzle by The Puzzle Theory features an illustration of a pink car, a person, and a cat beneath a blooming cherry tree, with scattered pieces around the box. Made from recycled paperboard, this charming springtime puzzle offers eco-friendly fun.
The Puzzle Theory

Blooming Drive | 196 Piece Jigsaw Puzzle

£18.00

£18.00

In stock

A Night Before Christmas 500 Piece Jigsaw Puzzle box featuring a Caroline Bonne Müller illustration of people playing music in a snowy, decorated Christmas town square at night.
New
The Puzzle Theory

Night Before Christmas | 500 Piece Jigsaw Puzzle

£31.00

£31.00

In stock

Enjoy assembling the Warm Wishes | 196 Piece Jigsaw Puzzle by The Puzzle Theory, featuring a charming illustration of a black dog in a red hat beside a picnic table filled with desserts, a drink, and a lamp—with scattered puzzle pieces floating above. Thoughtfully made from recycled paperboard for an eco-friendly birthday puzzle experience.
The Puzzle Theory

Warm Wishes | 196 Piece Jigsaw Puzzle

£18.00

£18.00

In stock

Discover the Flame Tree | 1,000 Piece Jigsaw Puzzle by The Puzzle Theory, featuring a pearlescent illustration inspired by Jun Sato: a woman beneath a vibrant flame tree with red flowers, surrounded by white birds and lush greenery.
The Puzzle Theory

Flame Tree | 1,000 Piece Jigsaw Puzzle

£38.00

£38.00

In stock

The Roses | 1,000 Piece Jigsaw Puzzle rectangular box featuring a Pierre-Joseph Redouté botanical illustration of roses on a cream background.
New
The Puzzle Theory

The Roses | 1,000 Piece Jigsaw Puzzle

£38.00

£38.00

In stock

The Puzzle Theory’s “Breakfast Party | 500 Piece Jigsaw Puzzle” features a vibrant breakfast scene with eggs, toast, bacon, tea, and drinks on a pink background scattered with puzzle pieces.
Sold out
The Puzzle Theory

Breakfast Party | 500 Piece Jigsaw Puzzle

5.0 (2)

£31.00

£31.00

Out of stock

The Puzzle Theory’s Sacred Treasures | 1,000 Piece Jigsaw Puzzle box showcases vivid John Powell artwork of flowers, vases, and ornate objects, with loose puzzle pieces displayed around this premium set.
Sold out
The Puzzle Theory

Sacred Treasures | 1,000 Piece Jigsaw Puzzle

5.0 (1)

£38.00

£38.00

Out of stock

The Puzzle Theory’s “Mangos and Matilijas” is a 500-piece eco-friendly puzzle showcasing a colorful still life with white Matilija poppies, fruit, a blue vase, and a bird statue on a patterned table, with loose pieces pictured around the box.
Sold out
The Puzzle Theory

Mangos and Matilijas | 500 Piece Jigsaw Puzzle

5.0 (2)

£31.00

£31.00

Out of stock

The Puzzle Theory’s Strawberry Cake | 300 Piece Jigsaw Puzzle features cartoon gnomes on a cake with strawberries and scattered puzzle pieces.
Sold out
The Puzzle Theory

Strawberry Cake | 300 Piece Jigsaw Puzzle

4.7 (3)

£25.00

£25.00

Out of stock

The Puzzle Theory’s “To the Harbor” is an 896-piece jigsaw puzzle illustrated by Kim Jacobs, featuring a charming seaside village scene with people, boats, and flowers; eco-friendly pieces are scattered on a light blue surface.
Sold out
The Puzzle Theory

To the Harbor | 896 Piece Jigsaw Puzzle

5.0 (6)

£38.00

£38.00

Out of stock

The Puzzle Theory’s The Frog Prince | 1,000 Piece Jigsaw Puzzle features Scott Gustafson’s illustration of a girl and frog at a lavish table with fruit and gold décor, plus loose pieces scattered nearby.
Sold out
The Puzzle Theory

The Frog Prince | 1,000 Piece Jigsaw Puzzle

4.0 (1)

£38.00

£38.00

Out of stock

The Puzzle Theory’s Emperor's New Clothes | 1,000 Piece Jigsaw Puzzle features a whimsical animal parade illustration and scattered pieces on a blue background—a fairy tale puzzle perfect for all ages.
Sold out
The Puzzle Theory

Emperor's New Clothes | 1,000 Piece Jigsaw Puzzle

5.0 (1)

£38.00

£38.00

Out of stock

The Puzzle Theory’s Market Day | 896 Piece Jigsaw Puzzle by Kim Jacobs features a bustling outdoor market scene with stalls, produce, and a woman with a bicycle; loose eco-friendly pieces are shown on a pink background.
Sold out
The Puzzle Theory

Market Day | 896 Piece Jigsaw Puzzle

5.0 (4)

£38.00

£38.00

Out of stock

A 1,000-piece jigsaw puzzle box from The Puzzle Theory featuring the “Blue and White Dragons” design—an illustration of blue and white vases, pink orchids, and elegant floral arrangements on a wooden table inspired by the charming style of John Powell art.
Sold out
The Puzzle Theory

Blue and White Dragons | 1,000 Piece Jigsaw Puzzle

5.0 (1)

£38.00

£38.00

Out of stock

Experience the Courtyard Haven | 500 Piece Jigsaw Puzzle by The Puzzle Theory—a vibrant jigsaw featuring a parrot, white flowers, ornate vases, and fruit set on a patterned tablecloth. Made from premium recycled materials, it’s an eco-friendly choice for puzzlers who appreciate both beauty and challenge.
Sold out
The Puzzle Theory

Courtyard Haven | 500 Piece Jigsaw Puzzle

5.0 (1)

£31.00

£31.00

Out of stock

Experience the captivating world of “White Elephant and A Menagerie of Beast,” a 1,000 piece jigsaw puzzle by The Puzzle Theory. Illustrated by Jun Sato Art, this pearlescent puzzle features a majestic white elephant amidst trees and flowers, surrounded by a vibrant tiger, graceful deer, colorful birds, and playful monkeys—all beautifully displayed on the puzzle box.
Sold out
The Puzzle Theory

White Elephant and A Menagerie of Beast | 1,000 Piece Jigsaw Puzzle

£38.00

£38.00

Out of stock

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A colorful jigsaw puzzle with a mountain landscape design is shown partially completed on a pink surface, with loose pieces scattered nearby and the puzzle box beside it.
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A stack of colorful trays with jigsaw puzzle pieces scattered on the top red tray, viewed from above.
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A colorful cactus-themed puzzle with several pieces missing is shown next to its box labeled Pretty Fly For A Cacti.
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