Theory Builder Gifts

Celebrate the creative spirit with gifts designed for the theory builder in your life. Whether they're academics, inventors, or just love a good idea, these thoughtful and amusing products will inspire their next breakthrough. Find mugs, t-shirts, pillows, and prints that speak to their curious, innovative nature and add a playful touch to their workspace or home.

All Products Prints T-Shirts Mugs Pillows

'Oh yeah? -- Well, I have a theory about you!'

'Oh yeah? -- Well, I have a theory about you!' mockup

'Oh yeah? -- Well, I have a theory about you!'

from $19.00

"If a stock falls in the market, and it had no investors, does it really lose its value?"

"If a stock falls in the market, and it had no investors, does it really lose its value?" mockup

"If a stock falls in the market, and it had no investors, does it really lose its value?"

from $19.00

"Finally, after years of work, irrefutable proof that I'm a nerd."

"Finally, after years of work, irrefutable proof that I'm a nerd." mockup

"Finally, after years of work, irrefutable proof that I'm a nerd."

from $19.00

'Never mind inspiration. I need background material on atomic physics.'

'Never mind inspiration. I need background material on atomic physics.' mockup

'Never mind inspiration. I need background material on atomic physics.'

from $19.00

Math Dreams

from $19.00

'Thanks to the internet it is now possible to be extremely well-informed and completely wrong at the same time!'

'Thanks to the internet it is now possible to be extremely well-informed and completely wrong at the same time!' mockup

'Thanks to the internet it is now possible to be extremely well-informed and completely wrong at the same time!'

from $19.00

Sigmund Freud.

from $19.00

'If your calculations are correct, this completely revolutionizes everything we thought we knew about why chalk squeaks on a blackboard!'

'If your calculations are correct, this completely revolutionizes everything we thought we knew about why chalk squeaks on a blackboard!' mockup

'If your calculations are correct, this completely revolutionizes everything we thought we knew about why chalk squeaks on a blackboard!'

from $19.00

"I never subscribed to Hobbes' state of nature theory until the night we left the kids without a sitter."

"I never subscribed to Hobbes' state of nature theory until the night we left the kids without a sitter." mockup

"I never subscribed to Hobbes' state of nature theory until the night we left the kids without a sitter."

from $19.00

"Bonk!"

from $19.00

"Must be another paradigm shift." mockup

"Must be another paradigm shift."

from $19.00

A Freudian slip...

from $19.00

'What do you mean 'theoretically'? Everything we do is theoretical.'

'What do you mean 'theoretically'? Everything we do is theoretical.' mockup

'What do you mean 'theoretically'? Everything we do is theoretical.'

from $19.00

"Mine's bigger than yours."

from $19.00

Women's sportswear - Sale on paradigm shifts.

Women's sportswear - Sale on paradigm shifts. mockup

Women's sportswear - Sale on paradigm shifts.

from $19.00

'Frank Lloyd Wright's childhood.' mockup

'Frank Lloyd Wright's childhood.'

from $19.00

'Quantum Mechanics is one of the three great pillars supporting our understanding of the natural world.

'Quantum Mechanics is one of the three great pillars supporting our understanding of the natural world. mockup

'Quantum Mechanics is one of the three great pillars supporting our understanding of the natural world.

from $19.00

"Of course you can't put your finger on it. It's a hypothetical particle."

"Of course you can't put your finger on it. It's a hypothetical particle." mockup

"Of course you can't put your finger on it. It's a hypothetical particle."

from $19.00

"Scientists confirmed today that everything we know about the structure of the universe is wrongedy-wrong-wrong."

"Scientists confirmed today that everything we know about the structure of the universe is wrongedy-wrong-wrong." mockup

"Scientists confirmed today that everything we know about the structure of the universe is wrongedy-wrong-wrong."

from $19.00

Complexity Made Simple.

from $19.00

Lecture on Chaos Theory delayed because the speaker dropped his notes.

Lecture on Chaos Theory delayed because the speaker dropped his notes. mockup

Lecture on Chaos Theory delayed because the speaker dropped his notes.

from $19.00

Physicists disputing whether the clock moves backwards or forwards according to season change.

Physicists disputing whether the clock moves backwards or forwards according to season change. mockup

Physicists disputing whether the clock moves backwards or forwards according to season change.

from $19.00

Darwin first tested his theory in a letter to a magazine ('Lookalike' letter points to similarity between man and ape.)

Darwin first tested his theory in a letter to a magazine ('Lookalike' letter points to similarity between man and ape.) mockup

Darwin first tested his theory in a letter to a magazine ('Lookalike' letter points to similarity between man and ape.)

from $19.00

"Lucky Guess."

from $19.00

Max Weber

from $19.00

Theory A Day Calendar.

from $19.00

Science And Society 1923

from $19.00

"As I mentioned next week in my talk on reversible time..."

"As I mentioned next week in my talk on reversible time..." mockup

"As I mentioned next week in my talk on reversible time..."

from $19.00

A2+B2=C2, 'Are you sure you're not just making this stuff up?'

A2+B2=C2, 'Are you sure you're not just making this stuff up?' mockup

A2+B2=C2, 'Are you sure you're not just making this stuff up?'

from $19.00

Scientists building a tower

from $19.00

Theory Builder Gifts Collection

Theory Builder Mugs

Explore our collection of mugs tailored for the theory builder—perfect for keeping ideas brewing as you sip your favorite beverage.

Theory Builder Pillows

Find cozy pillows that celebrate the inventive spirit—ideal for adding a touch of humor and inspiration to any room.

Theory Builder Prints

Browse prints that feature clever insights and ideas, perfect for inspiring the theory builder in your life.

Theory Builder T-Shirts

Discover witty and inspiring t-shirts designed for the creative mind—wear your passion for building theories proudly.