or gift it to a peer

The versatile ink works great on our black paper notebooks and loads of other kinds of media including stone

Arm yourself with 18 ounces of black coffee and crush your problem sets or let yourself get lost in some beautiful calculations without risking a cup of tepid brew

and equations are all featured on this dusty green and yellow hardcover notebook

The mesmerizing dance of flies getting snared and spiders collecting their evening meal plays out in the space between shadow and light

Heartbeat Hoodie Size:M or gift it to aWear this cozy heartbeat hoodie to your next Anatomy & Physiology lecture or impress your friends at the gym.