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

Unleash the power of your creativity with the Alchemy Dark Matter hardcover notebook

the Universe Models hardcover notebook shows how much we have always wanted the universe to make sense – and the lengths to which we’ve gone to make sense of the universe

Einstein’s Theory of Relativity

Take your journaling to the back yard with all your favorite writing tools tucked into this Garden Friends pencil bag

Star Chart Zipper Bags Runes Fill this Mathematical Musings notebookWhether you're stargazing under the night sky or exploring new destinations, these Star Chart travel bags are your ideal companion for a journey filled with wonder and discovery! Available in three styles, the cylinder makes a great pencil case or compact toiletry bag, the roomy rectangular bag will hold your medium to larger items use it as a makeup bag or dopp kit, and the telescoping bag extends to house your brush pens and a full size pair of