Fill this Mathematical Musings notebook up with your most ingenious math models

Perfect for those who might just as easily be found summiting a peak as drifting downstream

Celebrate the science of your favorite brew

This Mushroom illustration tote begs to be filled with farmer's market finds

The blood-red background features illustrations of an anatomical heart and black-lettered medical text

Just Breathe: Lungs Wax Stamp Volume_18 oz | 530 mL Fill this Mathematical Musings notebookSeal your letters with a reminder to just breathe. This anatomically inspired wax stamp features the lacy bronchi and bronchioles that make up your lungs. These wax stamps make great gifts for people who already have everything, plus they give your stationery some classic medical flair. Each stamp comes in its own kraft box sealing wax is sold separately so you can pick your signature color!