How it Works

Any child can be a “rock” star.

Real Gems

Receive a gemstone in both its rough and polished form.

Flexibility

Choose from 3 different plans to suit your child.

Free Shipping

We ship the Mystery Gem Box directly to your door.

Investigate

Solve the puzzles to reveal your Mystery Gem's identity.

Kids study gems like a real gemologist

The Mystery Gem Box is a a monthly STEM box with real gems, real tools, and a real mystery to solve!

Hours of screen-free fun

Other gem kits for kids are cheap geodes or tumbled rocks that offer very little learning. We've "unearthed" the secret to keeping kids engaged for hours of screen-free fun!


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Our Subscription Boxes

Pick Your Plan

12 Months

Pay Annually

$39.95/box

Best Value
Subscription

Monthly

Pay Monthly

$44.95/box

Auto-Renews
Cancel Anytime

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Intro Box

Just 1 Mystery Box

$49.95/box

No Ongoing
Subscription

Gift Gem Junior

For the child, grandchild, niece, nephew, cousin or friend who loves to play with rocks.

Frequently Asked Questions

What is the recommended age for Gem Junior?

Can kids complete the puzzles on their own? Or is adult supervision required?

What is the difference between a rough gemstone and a faceted gemstone?