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Matter 42-Card Booster Pack

Matter 42-Card Booster Pack

$3.99
$3.99
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  • 42 unique cards
  • A random assortment of science trivia
  • Tarot-sized card

THE NERDIEST BOOSTER PACK

Since 2018, every item in our monthly Matter boxes has shipped with a custom scientific info card—and collectors have been obsessed. Now, celebrating our 100th box milestone, we're releasing thousands of archived cards as standalone booster packs. Each pack contains 42 unique, tarot-sized science cards featuring real specimens, artifacts, and phenomena from our curated collection. 

Every card details the item's scientific properties, historical significance, and why it matters. From fossils to space artifacts to lab phenomena, each one is a conversation starter disguised as a collectible.

Build your collection. Master the facts. Boost your brain. This is the ultimate release for science enthusiasts, niche collectors, and educators who demand authenticity with their wonder.

Get a free booster pack when you buy any 3 items from our Matter Items collection. Just use the code BOOSTER100

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AUTHENTICITY GUARANTEED

We only list 100% verified authentic items. We work with reputable collectors, and regularly consult with our network of scientists and experts.

  • Free Shipping

    Spend $50 to qualify for free US shipping

  • Secure Payments

    Pay how you like: Credit card, PayPal, After Pay, Shop Pay, Venmo, Apple/Google/Meta Pay & crypto

  • Simple Returns

    Change your mind? No problem. Enjoy easy returns within 30 days.

WE TAKE SCIENCE SERIOUSLY

You deserve better than craft store science products. And we think learning is more impactful when you're holding a tangible piece of what you're learning about. That's why Stemcell exists.

We're dedicated to providing the best scientific products available—whether they're fragments of scientific importance, experimental activities, or just interesting things that scratch your curiosity itch.

With every new product launch, our list of new ideas gets longer rather than shorter. So check in often for our latest projects, and thanks for being a part of our endeavor to make the world a smarter place to live.

Believe in yourself; for everything else, there's science.

— TERRY MUDGE, FOUNDER & SCIENTIFIC DIRECTOR