Does this contain grit? Do I need to buy that separate?

This was a birthday gift for a 8 year old boy. He loved it as the rocks and fossils were easily identified and he loves his rocks. It is not a polishing device. So you do not need grit. I have seen where National Geographic does offer a small rock polishing kit.

Are any of these toxic or radioactive?

None of the Rocks are Radioactive or Toxic but I don't recommend that you were to eat them. They wouldn't be put in to a kids collection if they were. Plus Radioactive Rocks glow with a black light. So they would be vary easy to spot.

do you actually dig/uncover the fossils?

No, our NATIONAL GEOGRAPHIC Rocks & Fossils Kit is not a dig kit. This is a beginners rock collection.

Does this come with any doubles of rocks/stones? Or is it a large variety?

It comes with a couple duplicates as far as the little rocks go, but it has only one unique fossil. There is a large array of different stones. Definitely worth the buy.

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National Geographic Rock Collection Box for Kids – 300 Piece Rock Set with Real Gemstones, Crystals & Minerals - Includes Absolute Expert: Rocks & Minerals Full-Color Book (Amazon Exclusive)

National Geographic Rock Collection Box for Kids – 300 Piece Rock Set with Real Gemstones, Crystals & Minerals - Includes Absolute Expert: Rocks & Minerals Full-Color Book (Amazon Exclusive)

Product ID: 393441399

💎300+ genuine rocks & crystals

📚100+ page full-color geology book

🪨2 premium geodes with real crystals

€ 126.23

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🪨 Discover Earth's hidden treasures before everyone else does!

EXPERT LEVEL LEARNING - Includes a stunning 100+ page full-color Absolute Expert book to turn kids into rock pros.
UNLOCK CRYSTAL MYSTERIES - Crack open two dazzling geodes for a hands-on, unforgettable discovery experience.
STEM FUN MEETS IMAGINATION - Award-winning kit designed to ignite curiosity, creativity, and a lifelong passion for science.
ORGANIZED READY TO EXPLORE - Reusable box with small bags keeps your collection neat and adventure-ready.
EPIC EARTH SCIENCE COLLECTION - Over 300 authentic rocks, minerals, and crystals from around the globe to fuel your inner geologist.

The National Geographic Rock Collection Box is a premium 300-piece set featuring real gemstones, minerals, and crystals, paired with a 100+ page full-color Absolute Expert book. Designed for kids 8+, this award-winning STEM kit offers hands-on geology exploration with two crackable geodes and a reusable storage box, making it the ultimate educational gift for budding scientists and collectors.

Specifications

ASIN	B09KSZ5GW7
Age Range Description	8 years and up
Battery Description	No Battery
Best Sellers Rank	#2,832 in Toys & Games ( See Top 100 in Toys & Games ) #24 in Educational Science Kits
Brand Name	JMW Sales, Inc.
Customer Reviews	4.6 4.6 out of 5 stars (792)
Educational Objective	STEM
Global Trade Identification Number	00810070620707
Included Components	300 Piece Set with Real Rocks, Gemstones & Crystals & Absolute Experts Book
Is Assembly Required	No
Item Dimensions	9.21 x 2.2 x 6.18 inches
Item Type Name	300 Piece Rock, Mineral & Crystal Collection & Book
Language	English
Manufacturer	JMW Sales, Inc.
Manufacturer Maximum Age (MONTHS)	1188
Manufacturer Minimum Age (MONTHS)	96
Manufacturer Part Number	NGRMF200BOOK
Manufacturer Warranty Description	National Geographic Toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence.
Material Type	Real Fossils, Rocks, Gemstones & Crystals
Model Number	NGRMF200BOOK
Set Name	Rock Collection Box for Kids
Size	2.2 x 9.2 x 6.2 inches
Sub Brand	National Geographic
Theme	Geology
UPC	810070620707
Unit Count	1.0 Count

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