50% off storewide closeout sale!

This is a going-out-of-business sale. This was started as a family business, and since my divorce several years ago, my heart hasn't been in it. So I'm moving on.

Everything is 50% off, while it lasts! The discount happens as soon as you put something in your cart.

Several designs are completely sold out and no longer available, and most shirts have sold out in one or more sizes.

Click here to see shirts listed by sizes that are still available.

Click here for for Women's shirts sorted by available sizes.

Click here for for Youth shirts sorted by available sizes.

Orders over $200 get a 15 percent discount and free USA shipping; orders over $400 get a 20 percent discount and free USA shipping.

Adult Large

Products

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Get Radical T-shirt
Available in Men's, Women's, and Youth sizes.

Upper left chest: "Get Radical" with stylized square root sign.
Back: "It's OK to like Math"

Price: T-shirts $20.

GeNIUS Chemistry T-shirt (Large, 2XL, 3XL, 4XL only)
Sizes 2XL, 3XL, 4XL only, and a slightly blemished Large.

What do Germanium, Nitrogen, Iodine, Uranium, Sulfur spell to a chemistry geek?
GeNIUS.

Price: $20.
Blemish Sale item: One Large for $18.

Eat No Sleep Caffeine Molecule T-shirt
Sizes Adult Small, Adult Medium, Adult Large.

Pricing: $20..

Dare to be Differential T-shirt

Front: Know Limits
Back: Dare to be Differential

Available in Stone Blue, Ash Gray, White, and Yellow.

Price: $20.

Chaos in the Classroom T-shirt (Large only)

Cartoon with fractal teacher asking fractal students, "Why must I iterate and reiterate?"
Available in Black, Ash Gray, and Natural (undyed cotton).
Size Adult Large only.

Price:$20.