The Equilateral Pen DNA and alight for an evening

and alight for an evening of stargazing

Let the archaeopteryx emblazoned on the cover inspire you to find other missing links that shed light on our planet's history

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

These extra-large Mega Rocks are perfectly sized to fit in a whiskey glass

leave forest whispers for your roommate

The Equilateral Pen DNA and alight for an eveningThere'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.