Theory Buster Mugs

Kickstart their day with a mug that celebrates thinking differently. Our Theory Buster mugs blend humor and inspiration, making every coffee break a reminder that challenging norms is a creative act.

Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w
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Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w

from $19.00

Theory Buster Mugs Collection

Theory Buster Pillows

Check out our quirky pillows that celebrate nonconformity, perfect for adding personality to any space.

Theory Buster Prints

View our inspiring Theory Buster prints, designed to motivate and entertain the daring creative spirit.

Theory Buster T-Shirts

Explore our witty and inspiring Theory Buster T-shirts, ideal for creative individuals who like to make a statement.