⛏️ Genuine gems for curious kids
Real gemstones. Real science. One $5 adventure.
Turn the crank and strike a genuine mined gem, then match it in our gallery to discover its name, its rarity, and the real science behind it.

Strike these.
Over a dozen real gems to discover — from Common to Legendary.
Quartz (SiO₂)
Rose Quartz
“The Love Stone”
Quartz (SiO₂)
Tiger's Eye
“Cat's Eye”
Iron sulfide (FeS₂)
Pyrite
“Fool's Gold”
Quartz (SiO₂)
Clear Quartz Point
“The Time Keeper”
Quartz (SiO₂)
Amethyst Geode Half
“The Secret Garden”
Chalcedony (SiO₂)
Agate Slice
“The Time Rings”
Quartz (SiO₂)
Amethyst Cathedral
“The Crystal Cave”
Feldspar
Labradorite
“The Magic Flash”
Real Rock, No Fakes
Every capsule holds a genuine mined mineral. No plastic, no toys — just real earth.
Discover the Science
Look up your find in our gallery to unearth its name, its rarity, and how it formed underground.
Build Your Haul
Log every find, climb from Rookie Miner to Master Miner, and trade to complete the set.
How the dig works
Step 1
Dig
Turn the crank on a Kid Diggins machine and pull your capsule.
Step 2
Discover
Scan the QR on the machine to open the gallery, then match your gem to its name and rarity.
Step 3
Collect
Log it, rank up, and trade with fellow miners to complete the set.


Started by Matt & Bria
A mining engineer dad and his rock-loving daughter.
Matt is a Virginia Tech mining engineer. His daughter Bria loves collecting and trading gems with her friends. Together they built Kid Diggins to make real geology feel like a treasure hunt.
Read our story →A promise to grown-ups
Built to be kid-safe.
Real minerals and parent-managed accounts. No kid chat or messaging, ever. No real names, birthdays, photos, or locations — we store only a nickname and which gems were found. Nothing more.
Read our privacy promise