Prepaid Terms

Choose a subscription length.

Subscriptions can be canceled at any time for any reason by simply logging into your account or emailing terry@boxofmatter.com. Canceling simply prevents your subscription from renewing and will not cancel your prepaid shipments.

We ship USPS First Class. Most US orders should arrive in 3-5 days and international orders can take 2-3 weeks.

Scroll down to see examples of past boxes.

Month to Month

+$3 shipping (within US). Renews monthly. Cancel online anytime.

3 Month Prepay

+$3 shipping (within US). Save $. Renews every 3 months.

6 Month Prepay

+$3 shipping (within US). Save $$. Renews every 6 months.

Previous Boxes

Here are some examples of what you can expect based on some of our past boxes.


  • • Bernoulli windbag
  • • Red aragonite
  • • 50 million year old fish fossil
  • • Fired bullet from
  • • 1 ounce coin of pure titanium


  • • Labradorite
  • • Rattleback
  • • 65 million year old Mosasaurus tooth
  • • Cephalopod ink
  • • Jeweler's Loupe


  • • Simulated Martian Regolith
  • • Lepidolite
  • • 100 million year old Spinosaurus tooth
  • • Neodymium magnets