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

HK$455

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Description

💎 Crack open wonder, wear your curiosity!

SHOWCASE YOUR FINDS - Two display stands let you proudly exhibit your unique crystal collection.
LEARN WHILE YOU PLAY - Comes with a vibrant 16-page guide that reveals the science behind geode formation.
AWARD WINNING STEM FUN - From the Toy Association’s Toy of the Year winner, inspiring creativity and curiosity.
SAFETY MEETS DISCOVERY - Includes protective goggles so kids can explore geology worry-free.
UNLEASH HIDDEN CRYSTAL TREASURES - Break open 10 hand-selected natural geodes for a dazzling STEM adventure.

The National Geographic Break Open 10 Premium Geodes kit offers kids aged 8+ an immersive STEM experience by letting them safely crack open 10 real, hand-selected geodes to discover colorful crystals inside. Complete with safety goggles, display stands, and a detailed 16-page learning guide, this award-winning kit combines hands-on fun with educational depth, making it a top-rated gift for young geology enthusiasts.

Specifications

ASIN	B0160JB7IS
Age Range Description	8 years and up
Best Sellers Rank	#1,351 in Toys & Games ( See Top 100 in Toys & Games ) #10 in Educational Science Kits
Brand Name	Blue Marble
Customer Reviews	4.5 4.5 out of 5 stars (31,960)
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	2.14 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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HK$455

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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