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.

NATIONAL GEOGRAPHIC Break Open 5 Jumbo Geodes - Earth Science Kit with 5 Premium, Extra-Large Geodes with Crystals, Goggles & Display Stands, Science Gifts, Fun Stuff for Kids (Amazon Exclusive)

NATIONAL GEOGRAPHIC Break Open 5 Jumbo Geodes - Earth Science Kit with 5 Premium, Extra-Large Geodes with Crystals, Goggles & Display Stands, Science Gifts, Fun Stuff for Kids (Amazon Exclusive)

Q: 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!

Q: 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.

Q: Does the item include a hammer?

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

4.3/5

Product ID: 543008874

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Details

Size
One Size
Brand
Blue Marble
Theme
Geology
Age range (description)
8 years and up
Material
Geodes

💎5 jumbo natural geodes

🔬Includes magnifying glass

🖼️3 display stands included

Frequently Bought Together

NATIONAL GEOGRAPHIC Break Open 5 Jumbo Geodes - Earth Science Kit with 5 Premium, Extra-Large Geodes with Crystals, Goggles & Display Stands, Science Gifts, Fun Stuff for Kids (Amazon Exclusive)

INCLY 5 PCS Geology Rock Pick Equipment Kit, 32 oz. Rock Hammer with 12" Mason Concrete Chisel, Safety Glasses, Whistle, jewelers loupe, Tool Set for Hounding,Gold Mining & Prospecting, Stone Breaking

Break Your Own Geodes - Hollow White Moroccan 1" - 2.5" Large, Medium, Small Geode for Kids - Science Kits for Kid Ages 8-12, 8-10, 12-14 Age - Discovery Toys Gifts

Description

💎 Crack open wonder, display brilliance, and own the coolest science kit in the room!

EXPLORE LIKE A PRO - Dive deep into geology with a detailed full-color learning guide and magnifying glass for crystal close-ups.
SHOW OFF YOUR FINDS - Display your prized crystals elegantly using the included premium stands—perfect for your desk or shelf.
STEM FUN MEETS STYLE - Engage kids 8+ in hands-on science that’s as educational as it is exciting—because learning should sparkle.
QUALITY YOU CAN TRUST - Backed by National Geographic’s commitment to premium educational toys and exceptional customer care.
UNLEASH HIDDEN TREASURES - Crack open 5 extra-large, 100% natural geodes bursting with dazzling crystals.

The NATIONAL GEOGRAPHIC Break Open 5 Jumbo Geodes kit offers five large, natural geodes each about the size of a tennis ball, packed with real crystals inside. Designed for kids 8 and up, it includes a magnifying glass, three display stands, and a full-color educational guide to explore geology and crystal formation hands-on. This Amazon exclusive combines premium quality with STEM learning and stylish display options, making it a standout science gift.

Specifications

Product Dimensions	30.99 x 27.99 x 9.8 cm; 2.81 kg
Manufacturer recommended age	8 years and up
Item model number	NGGEOJUM5
Educational Objective(s)	Geology understanding and crystal formation
Language:	English
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Geodes
Remote Control Included?	No
Color	Multi-color
ASIN	B0B69N5W93

Have a Question? See What Others Asked

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

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

Does the item include a hammer?

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