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, Detailed Learning Guide & 2 Display Stands - Great STEM Science Gift for Mineralogy & Geology Enthusiasts of Any Age

Product ID: 258653630

Details

Age range (description)
Kid
Brand
Blue Marble
Item dimensions L x W x H
7 x 19.7 x
Size
19.68 cm
Theme
Science

💎10 premium natural geodes

📚16-page full-color learning guide

🛡️Includes safety goggles & display stands

EC$490

Duties & taxes included

In stock

Sold byAmazon Saint Kitts and NevisDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Crack open curiosity and own the coolest crystal collection!

COMPLETE EDUCATIONAL KIT - Comes with a detailed 16-page guide to deepen your understanding of mineralogy and earth science.
EXPERTLY CURATED VARIETY - Each geode offers a distinct crystal type and color, ensuring a diverse and captivating collection.
SAFETY FIRST DISCOVERY ALWAYS - Includes protective goggles and sturdy display stands to showcase your unique finds.
STEM LEARNING MEETS HANDS ON FUN - Engage with geology through an immersive, educational experience perfect for curious minds.
UNLEASH HIDDEN CRYSTAL TREASURES - Break open 10 hand-selected geodes revealing vibrant, natural crystal formations.

The Blue Marble NATIONAL GEOGRAPHIC Geode Kit features 10 authentic, hand-selected geodes filled with diverse crystal formations. Designed for STEM enthusiasts of all ages, it includes safety goggles, display stands, and a vibrant 16-page learning guide to provide a comprehensive, hands-on geology experience that educates and entertains.

Specifications

ASIN	B0160JB7IS
Age Range Description	Kid
Best Sellers Rank	#15,561 in Toys ( See Top 100 in Toys ) #170 in Educational Science Kits
Brand Name	Blue Marble
Customer Reviews	4.5 4.5 out of 5 stars (30,967)
Educational Objective	Earth Study & Mineralogy
Global Trade Identification Number	00851456006470
Included Components	10 Premium quality geodes, 1 Pair of Safety Goggles, 1 Magnifying Glass, 2 Display Stand, 1 Learning Guide.
Is Assembly Required	No
Item Dimensions	7 x 19.7 x 30.5 centimeters
Item Type Name	TOYS & GAMES\EDUCATIONAL\SCIENCE
Item Weight	2.14 Pounds
Manufacturer	Discover with Dr. Cool
Manufacturer Maximum Age (MONTHS)	1188.0
Manufacturer Minimum Age (MONTHS)	96.0
Manufacturer Part Number	NGGEO10
Manufacturer Warranty Description	NO WARRANTY
Material Type	Crystal Geodes
Model Number	NGGEO10
Number of Items	10
Set Name	Science Kit for Opening 10 Geodes and Exploring Crystals
Size	19.68 cm diameter
Sub Brand	National Geographic
Theme	Science
UPC	851456006470
Unit Count	10 Count

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