Maid T-Shirt

Ash

How mathematicians unwind.

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Glows in the dark

Winter Star Chart Shirt $24.00 – $47.00

Navy

Small Medium Large X-Large XX-Large +$1.00 Youth Small 6-8 Youth Medium 10-12 Youth Large 14-16 Sweatshirt Small Sweatshirt Medium Sweatshirt Large Sweatshirt X-Large Sweatshirt XX-Large +$2.00

Printed upside down in glow-in-the-dark ink so the wearer can really use it.

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Mars T-Shirt $24.00 – $25.00

Black

Small Medium Large X-Large XX-Large +$1.00 Youth Medium 10-12 Youth Large 14-16

Viking photographs of Mars featuring Olympus Mons, the Great Canal, and the polar ice cap.

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Principles of Flight T-Shirt $24.00 – $25.00

Ash

Author and cartoonist Sidney Harris muses that while ostriches can’t fly, they are taking the necessary steps to learn how.

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Einstein Simplified Shirt $24.00 – $47.00

Purple

Small Medium Large X-Large XX-Large +$1.00 Sweatshirt Small Sweatshirt Medium Sweatshirt Large Sweatshirt X-Large Sweatshirt XX-Large +$2.00

Einstein simplified, in three easy steps.

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Fibonacci T-Shirt $24.00 – $25.00

Navy

From daisy petals to seeds of corn, Fibonacci’s sequence explains numbers found in nature.

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Glows in the dark

Periodic Table T-Shirt $24.00 – $25.00

White

Small Medium Large X-Large XX-Large +$1.00 Youth Small 6-8 Youth Large 14-16

Glow-in-the-dark radioactive elements make this colorful and accurate shirt fun and informative.

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Missing Mars Lander T-Shirt $24.00 – $25.00

Ash