The Equilateral Pen DNA Fill the blank pages of

Fill the blank pages of this Rocketry Hardcover up with illustrations of spacecraft

Celebrate the chemistry of your favorite morning brew with this Tea Chemistry mug

Commit your cardiac rhythms to memory while you enjoy your favorite brew from this Heartbeat Drinking glass

it's a great reminder that your botanical powers are AWESOME

Here's a fun insect-inspired towel featuring some of your favorite garden friends (and maybe some foes)

The Equilateral Pen DNA Fill the blank pages ofThere's something beautiful about the 60 degree angles of an equilateral triangle. Here's a metal pen that's ready for your most elegant proofs, thoughts, or musings. With a cap that snaps on with a satisfying click, take your notes to the next level with the Equilateral. Each pen comes in its own felt case. Refill it with our special . 7 mm or . 5 mm ink cartridges.