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 Premium Geodes – Includes Goggles & 2 Display Stands - Great STEM Science Kit, Geology Gift for Kids, Break Your Own Geodes with Crystals

Product ID: 21908699

💎10 real premium geodes

📚16-page full-color learning guide

🛡️Includes safety goggles

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$129.18

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Description

💎 Crack open wonder, wear your curiosity!

STEM LEARNING ELEVATED - Comes with a vibrant 16-page guide to decode the science behind geodes.
SAFETY MEETS DISCOVERY - Protective goggles included so curiosity stays safe and stylish.
CURATED CRYSTAL VARIETY - Hand-selected geodes ensure a dazzling spectrum of natural crystals.
DISPLAY YOUR DISCOVERIES - Two elegant stands let you showcase your crystal finds like a pro.
UNLEASH HIDDEN CRYSTAL TREASURES - Break open 10 authentic geodes for a hands-on geology adventure.

The National Geographic Break Open 10 Premium Geodes kit offers an immersive STEM experience by letting kids aged 8+ crack open 10 real, hand-selected geodes to reveal natural crystal formations. It includes safety goggles, two display stands, and a detailed 16-page full-color learning guide, making it a top-rated educational gift that combines fun, science, and hands-on discovery.

Specifications

ASIN	B0160JB7IS
Age Range Description	8 years and up
Best Sellers Rank	#1,125 in Toys & Games ( See Top 100 in Toys & Games ) #7 in Educational Science Kits
Brand Name	Blue Marble
Customer Reviews	4.5 4.5 out of 5 stars (32,252)
Educational Objective	STEM
Global Trade Identification Number	00851456006470
Included Components	10 Premium Quality Geodes, Display Stand, Learning Guide, Magnifying Glass, Safety Goggles
Is Assembly Required	No
Item Dimensions	2.75 x 7.75 x 12 inches
Item Type Name	Display Stands - Great STEM Science Gift for Mineralogy & Geology Enthusiasts of Any Age
Item Weight	2.1 Pounds
Manufacturer	Discover with Dr. Cool
Manufacturer Maximum Age (MONTHS)	1188.0
Manufacturer Minimum Age (MONTHS)	96
Manufacturer Part Number	NGGEO10
Manufacturer Warranty Description	We're proud to make the highest quality products which are backed by exceptional service.
Material Type	Crystal Geodes
Model Number	NGGEO10
Set Name	10 Geodes Kit
Size	Basic
Sub Brand	National Geographic
Theme	Science
UPC	851456006470
Unit Count	1.0 Count

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TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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$129.18

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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