About

Treehouse Supply Co. is the official merchandise home of the ideas, observations, research, reflections, and conversations that emerge from Treehouse Science and Nature's Path Therapy. What begins as an essay, educational resource, behavioral science insight, or meaningful conversation often finds a second life here—transformed into apparel, journals, drinkware, gifts, and everyday items designed to carry thoughtful ideas beyond the screen and into daily life. Our collections explore a wide range of themes, including: Behavioral science and psychology Human resilience and personal growth Family systems and relationships Caregiving and compassion Nature, reflection, and perspective Curiosity, learning, and lifelong education Science, philosophy, and critical thinking Humor, insight, and the complexities of being human Some designs are thoughtful. Some are educational. Some are quietly reflective. Others are intentionally sarcastic. All are inspired by the belief that ideas matter—and that meaningful conversations can happen almost anywhere, including over a morning coffee, inside a favorite journal, or on a well-worn hoodie. Treehouse Supply Co. exists for curious minds, lifelong learners, caregivers, researchers, educators, advocates, science enthusiasts, deep thinkers, and anyone trying to navigate life with equal parts perspective, resilience, and humor. Why a treehouse? Because treehouses have always represented something more than a structure. They offer perspective, curiosity, creativity, and a place to see the world a little differently. That same spirit informs everything we create. Thank you for supporting independent educational work, behavioral science communication, thoughtful reflection, and the ongoing belief that understanding people—and ourselves—is always worth exploring. Curiosity welcome. Questions encouraged. Coffee highly recommended.
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“I Want Congressional Oversight, Not Just Contact” Two-Tone Coffee Mug
“I Want Congressional Oversight, Not Just Contact” Two-Tone Coffee Mug
Sale Price $17.60. Original Price $19.55. Comp. value
“Know Your Visitors” Boys T-Shirt
“Know Your Visitors” Boys T-Shirt
Sale Price $23.36. Original Price $25.95. Comp. value
I’m in a Committed Relationship with the FOIA Read Tote Bag
I’m in a Committed Relationship with the FOIA Read Tote Bag
Sale Price $18.05. Original Price $20.05. Comp. value
WWJD? Probably Not This – Snarky Christian Hoodie
WWJD? Probably Not This – Snarky Christian Hoodie
Sale Price $51.17. Original Price $56.85. Comp. value
WWJD? Probably Not This – Snarky Christian Hoodie
WWJD? Probably Not This – Snarky Christian Hoodie
Sale Price $51.17. Original Price $56.85. Comp. value
You Don’t Get to Call Me Unsafe Just Because I’m C Hoodie
You Don’t Get to Call Me Unsafe Just Because I’m C Hoodie
Sale Price $51.17. Original Price $56.85. Comp. value
Holy Shift, I’m Healing – Vintage Camp Tee
Holy Shift, I’m Healing – Vintage Camp Tee
Sale Price $26.37. Original Price $29.30. Comp. value
Unpaid Emotional Labor Tee – Treehouse Supply Co.
Unpaid Emotional Labor Tee – Treehouse Supply Co.
Sale Price $26.37. Original Price $29.30. Comp. value
Jesus Wasn’t a Jerk – Heat-Reveal Mug
Jesus Wasn’t a Jerk – Heat-Reveal Mug
Sale Price $22.64. Original Price $25.15. Comp. value
Don’t Quote Leviticus at Me – Funny Mug
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Don’t Quote Leviticus at Me – Funny Mug
Sale Price $14.36. Original Price $15.95. Comp. value
God Loves You – Queer-Affirming Faith Shirt
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God Loves You – Queer-Affirming Faith Shirt
Sale Price $26.37. Original Price $29.30. Comp. value
I Wasn’t the Crisis — I Was the Consequence Tee
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I Wasn’t the Crisis — I Was the Consequence Tee
Sale Price $26.37. Original Price $29.30. Comp. value
Holy Shift, I’m Healing – Vintage Camp Tee
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Holy Shift, I’m Healing – Vintage Camp Tee
Sale Price $26.37. Original Price $29.30. Comp. value
Exvangelical, But Make It Espresso – Snarky Mug
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Exvangelical, But Make It Espresso – Snarky Mug
Sale Price $18.95. Original Price $21.05. Comp. value
Jesus Wasn’t a Jerk – Heat-Reveal Mug
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Jesus Wasn’t a Jerk – Heat-Reveal Mug
Sale Price $22.64. Original Price $25.15. Comp. value
Jesus Wasn’t a Jerk – Heat-Reveal Mug
Save 10%
Jesus Wasn’t a Jerk – Heat-Reveal Mug
Sale Price $22.64. Original Price $25.15. Comp. value
Rapture Anxiety Is Not a Personality – End-Times T T-Shirt
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Rapture Anxiety Is Not a Personality – End-Times T T-Shirt
Sale Price $27.45. Original Price $30.50. Comp. value
“Know Your Visitors” Boys T-Shirt
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“Know Your Visitors” Boys T-Shirt
Sale Price $23.36. Original Price $25.95. Comp. value