Proofs + Potions

Arachnids + Myriapods Hardcover - Lined/GridArachnids + Myriapods Hardcover - Lined/Grid

Arachnids + Myriapods Hardcover - Lined/Grid

$ 19.95
Arachnids + Myriapods Softcover - LinedArachnids + Myriapods Softcover - Lined

Arachnids + Myriapods Softcover - Lined

$ 11.95
Astronomy Star Chart hardcover dot grid notebook by Cognitive Surplus , black and gold, 100% recycled paperAstronomy Star Chart Hardcover - Dot Grid

Astronomy Star Chart Hardcover - Dot Grid

$ 19.95
Astronomy Star Chart Hardcover - Lined/GridAstronomy Star Chart Hardcover - Lined/Grid

Astronomy Star Chart Hardcover - Lined/Grid

$ 19.95
Astronomy mini hardcover dot grid notebook by Cognitive Surplus, 100% recycled paper, black and goldAstronomy Star Chart Mini Hardcover - Dot Grid

Astronomy Star Chart Mini Hardcover - Dot Grid

$ 14.95
Astronomy Star Chart Softcover - Dot GridAstronomy Star Chart Softcover - Dot Grid

Astronomy Star Chart Softcover - Dot Grid

$ 11.95
Bat Specimen Greeting CardBat Specimen Greeting Card

Bat Specimen Greeting Card

$ 5
Constellations Hardcover - Dot GridConstellations Hardcover - Dot Grid

Constellations Hardcover - Dot Grid

$ 19.95
Constellations mini hardcover dot grid notebook by Cognitive Surplus, black and blue, 100% recycled paperConstellations Mini Hardcover - Dot Grid

Constellations Mini Hardcover - Dot Grid

$ 14.95
Constellations softcover lined notebook by Cognitive Surplus, black and royal blue, 100% recycled paperConstellations Softcover - Lined

Constellations Softcover - Lined

$ 11.95
Equations that Changed the World Hardcover - Dot GridEquations that Changed the World Hardcover - Dot Grid

Equations that Changed the World Hardcover - Dot Grid

$ 19.95
Pythagoras Mathematics mini hardcover dot grid notebook by Cognitive Surplus, navy blue, 100% recycled paperEquations that Changed the World Mini Hardcover - Dot Grid

Equations that Changed the World Mini Hardcover - Dot Grid

$ 14.95
Equations That Changed the World Shoulder ToteEquations That Changed the World Shoulder Tote

Equations That Changed the World Shoulder Tote

$ 19.95
Pythagoras Mathematics navy blue and burnt orange softcover dot grid notebook by Cognitive Surplus, 100% recycled paperEquations that Changed the World Softcover - Dot Grid

Equations that Changed the World Softcover - Dot Grid

$ 11.95
Full Moon Wax Seal KitFull Moon Wax Seal Kit - Cognitive Surplus - 1

Full Moon Wax Seal Kit

$ 39.95
Human Skull CardHuman Skull Card - Cognitive Surplus

Human Skull Card

$ 5
Lunar Phases 20 oz Mega MugLunar Phases 20 oz Mega Mug

Lunar Phases 20 oz Mega Mug

$ 19.95
Moon CardMoon Card

Moon Card

$ 5
Moon Landing A5 HardcoverMoon Landing A5 Hardcover

Moon Landing A5 Hardcover

$ 22.95
Moon Landing Hardcover - Dot GridMoon Landing Hardcover - Dot Grid

Moon Landing Hardcover - Dot Grid

$ 19.95
Moon mini hardcover dot grid notebook by Cognitive Surplus, black, white, and gray, 100% recycled paperMoon Landing Mini Hardcover - Dot Grid

Moon Landing Mini Hardcover - Dot Grid

$ 14.95
Moon Landing Softcover - Dot GridMoon Landing Softcover - Dot Grid

Moon Landing Softcover - Dot Grid

$ 11.95
Mushrooms A5 HardcoverMushrooms A5 Hardcover

Mushrooms A5 Hardcover

$ 22.95
Mushrooms Hardcover - Dot GridMushrooms Hardcover - Dot Grid

Mushrooms Hardcover - Dot Grid

$ 19.95
Mushrooms Softcover - LinedMushrooms Softcover - Lined

Mushrooms Softcover - Lined

$ 11.95
Astronomy mega mug 20 oz by Cognitive SurplusNight Sky 20 oz Mega Mug

Night Sky 20 oz Mega Mug

$ 19.95
Night Sky Star Chart Double Old-Fashioned Glasses (Pair) - Cognitive Surplus - 2Night Sky Star Chart Double Old-Fashioned Glasses (Pair) - Cognitive Surplus - 1

Night Sky Rocks Glass Set

$ 29.95
Night Sky Star Chart Stemless Wine Glasses (Set of 4)Night Sky Star Chart Stemless Wine Glasses (Set of 4)
On sale

Night Sky Star Chart Stemless Wine Glasses (Set of 4)

$ 39.95 $ 54.95
Northern Hemisphere Night Sky Wine GlassesNorthern Hemisphere Night Sky Wine Glasses

Northern Hemisphere Night Sky Wine Glasses

$ 34.95
Plants & Fungi Hardcover - Lined/GridPlants & Fungi Hardcover - Lined/Grid

Plants & Fungi Hardcover - Lined/Grid

$ 19.95
Plants & Fungi Pocket Notebook 4-packPlants & Fungi Pocket Notebook 4-pack

Plants & Fungi Pocket Notebook 4-pack

$ 14.95
Poisonous Plants A5 HardcoverPoisonous Plants A5 Hardcover

Poisonous Plants A5 Hardcover

$ 22.95
Poisonous Plants Graphic TeePoisonous Plants Graphic Tee

Poisonous Plants Graphic Tee

$ 24.95
Poisonous Plants Hardcover - Lined/GridPoisonous Plants Hardcover - Lined/Grid

Poisonous Plants Hardcover - Lined/Grid

$ 19.95
Poisonous Plants Softcover - Dot GridPoisonous Plants Softcover - Dot Grid

Poisonous Plants Softcover - Dot Grid

$ 11.95
QED A5 HardcoverQED A5 Hardcover

QED A5 Hardcover

$ 22.95
Silver Skull Graphic TeeSilver Skull Graphic Tee

Silver Skull Graphic Tee

$ 24.95
Skeleton 20 oz Mega MugSkeleton 20 oz Mega Mug

Skeleton 20 oz Mega Mug

$ 19.95
Skeleton A5 HardcoverSkeleton A5 Hardcover

Skeleton A5 Hardcover

$ 22.95
Skeleton Anatomy CardSkeleton Anatomy Card - Cognitive Surplus
Sold out

Skeleton Anatomy Card

$ 5
Skeleton Hardcover - Lined/GridSkeleton Hardcover - Lined/Grid

Skeleton Hardcover - Lined/Grid

$ 19.95
Skeleton mini hardcover dot grid notebook by Cognitive Surplus, black and white, 100% recycled paperSkeleton Mini Hardcover - Dot Grid

Skeleton Mini Hardcover - Dot Grid

$ 14.95
Skeleton Softcover - Dot GridSkeleton Softcover - Dot Grid

Skeleton Softcover - Dot Grid

$ 11.95
Skeleton Softcover: StickeredSkeleton Softcover: Stickered
On sale

Skeleton Softcover: Stickered

$ 7.95 $ 11.95
Skull & Head Anatomy Tee Shirt - Cognitive Surplus - 3Skull & Head Anatomy Tee Shirt - Cognitive Surplus - 1

Skull & Head Anatomy Graphic Tee

$ 24.95
Star Chart Tumbler GlassStar Chart Tumbler Glass

Star Chart Tumbler Glass

$ 17.95

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