What is the method of how to open them? Do you need to have a separate tool for that?

The best way to open them is to take a large file & carefully cut a groove around the Geode along any depressions in the shape. Place in on a towel on a concrete floor. Be sure to put on safety glasses! Take a large chisel and place it in the groove. Strike the end of the chisel with a hammer to break the Geode open. Be careful everyone standing near has their safety gasses on as well!

Can use a sharp,big knife or if not, what do you use

Please do not even consider attempting this with a knife. That is an E.R. trip in the making. We were quite successful with a hammer and wide chisel.

Does the item include a hammer?

If you don't already have a hammer, this item is not for you.

They are real just not real impressive. You're better off to buy bigger geodes online. The kit has nothing spectacular you need. My package was full of solid rocks. Took a 5 lb sledge to get the apart. 100% waste of money.

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NATIONAL GEOGRAPHIC - Break Open 10 Geodes - TOP QUALITY!

NATIONAL GEOGRAPHIC - Break Open 10 Geodes - TOP QUALITY!

Product ID: 101243481

Details

Age Range (Description)
Kid
Brand
Blue Marble
Item Weight
971 g
Item dimensions L x W x H
7 x 19.7 x
Theme
Geology

💎10 premium crystal-filled geodes

📚Full-color educational guide included

🛡️Safety goggles & display stands

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26821 som

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Description

💎 Crack open wonder, collect brilliance, and spark curiosity!

SHOW OFF YOUR FINDS - Includes display stands to proudly showcase your unique crystal collection.
LEARN WHILE YOU PLAY - Engage with a vibrant, full-color guide that makes geology captivating.
SAFE READY FOR DISCOVERY - Comes with safety goggles for worry-free, hands-on exploration.
UNLOCK EARTHS HIDDEN TREASURES - Crack open 10 volcanic geodes bursting with dazzling crystals.
TRUSTED QUALITY FROM NATIONAL GEOGRAPHIC - Backed by a 100% satisfaction guarantee and premium sourcing.

National Geographic’s Break Open 10 Geodes kit offers a premium hands-on science experience featuring 10 high-quality volcanic geodes filled with stunning crystals. Perfect for kids, it includes safety goggles, display stands, and a full-color educational guide to inspire a love of geology. Trusted for quality and backed by a satisfaction guarantee, this kit transforms learning into an exciting treasure hunt.

Specifications

ASIN	B0160JB7IS
Age Range (Description)	Kid
Age Range Description	Kid
Best Sellers Rank	#41,992 in Toys & Games ( See Top 100 in Toys & Games ) #962 in Science Toys & Kits
Brand	Blue Marble
Country of Origin	USA
Customer Reviews	4.5 out of 5 stars 30,850 Reviews
Educational Objective	Exploratory Skills
Global Trade Identification Number	00851456006470
Is Assembly Required	No
Item Dimensions	7 x 19.7 x 30.5 Centimeters
Item Type Name	Geodes
Item Weight	971 g
Item dimensions L x W x H	7 x 19.7 x 30.5 Centimeters
Manufacturer	National Geographic
Manufacturer Part Number	NGGEO10
Model Number	NGGEO10
Set Name	10 Crystal Filled Geodes Science Kit
Theme	Geology
UPC	851456006470
Unit Count	10 Count

Reviews

T**E

3.11.2025

K**O

25.01.2026

C**N

31.03.2022

A**0

28.05.2018

R**T

19.04.2021

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26821 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

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