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💎 Crack open curiosity and shine bright with every crystal discovery!
The National Geographic Break Open 10 Premium Geodes Kit offers an exciting STEM activity featuring 10 real, hand-selected geodes filled with a variety of natural crystals. Designed for kids 8 and up, it includes safety goggles, display stands, and a detailed 16-page full-color learning guide, combining hands-on fun with educational depth. Perfect for budding geologists and science enthusiasts, this kit encourages exploration, discovery, and proudly showcasing your crystal treasures.





| ASIN | B0160JB7IS |
| Age Range Description | 8 years and up |
| Age range (description) | 8 years and up |
| Best Sellers Rank | 5,465 in Toys & Games ( See Top 100 in Toys & Games ) 58 in Educational Science Kits |
| Brand | Blue Marble |
| Brand Name | Blue Marble |
| Customer Reviews | 4.4 out of 5 stars 31,439 Reviews |
| Educational Objective | Earth Study & Mineralogy |
| Global Trade Identification Number | 00851456006470 |
| Included Components | Geodes, Goggles, Display Stand, Magnifying Glass, Learning Guide |
| Is Assembly Required | No |
| Item Dimensions | 7 x 19.7 x 30.5 centimetres |
| Item Type Name | – Includes Goggles, Detailed Learning Guide and 2 Display Stands - Great STEM Science gift for Mineralogy and Geology enthusiasts of any age |
| Item Weight | 971 g |
| Item dimensions L x W x H | 7 x 19.7 x 30.5 centimetres |
| Item weight | 971 g |
| Manufacturer | National Geographic Toys |
| Manufacturer Part Number | NGGEO10 |
| Material Type | Multiple |
| Maximum Age Recommendation | 1188.00 |
| Minimum Age Recommendation | 96.00 |
| Model Number | NGGEO10 |
| Set Name | 10 Crystal Filled Geodes Science Kit |
| Size | 19.68 cm diameter |
| Sub Brand | National Geographic |
| Theme | Earth Science |
| UPC | 851456006470 |
| Unit Count | 10.0 count |
K**2
A introduction to geometry
This is truly a wonderful gift for the entire family! It not only met our expectations but also exceeded them. It's both enjoyable and educational, serving as a fantastic introduction to geometry.
A**N
Great fun
Lovely set, lots of geodes,
C**Y
Great fun
It was very challenging to split open the geodes, but the 9 year old, whose gift it was, thought it was great fun.
A**R
Cool present
Brought nephew for his 10th birthday he loves them!
P**8
My stepson loves it!
My stepson enjoys collecting rocks and something similar, I thought this would be a great gift. He enjoyed it so much!
H**J
Cool but tricky to use
Very cool you but genuinely wish I had not gifted this to my 10 year old, as smashing through these proved difficult and the kit was soon abandoned.
T**Y
Great Activity For Kids
I was really surprised with this, please ensure you purchase a hammer & chisel to break them open. The kit does not come with anything to break them open. Most of them were the same colours but we had a few different ones as well. Its basically the luck of the draw when it comes to variety. My son (8yrs) & I had a lot of fun breaking them open and inspecting each one. Its a great bonding exercise.
J**.
My granddaughter loved it.
After mixed reviews I was undecided whether to buy this or not. However, my granddaughter absolutely loved it. Yes, most of the crystals were white but the exciting part was breaking them open. My granddaughter had a really good try at breaking them open but adult help is definitely required.
K**O
Un excelente momento
Padrisimoooo mi hijo se divirtió muchísimo abriendolas!
F**U
Es como sé anuncia.
Está muy bien para los niños, aunque cuando las abres quedan un poco pequeñas y a mí nieto le han salido casi todas blancas pero para un niño es entretenido, un saludo.
T**Y
Great gift
It was a great gift idea
V**O
National Geographic - split open your set of geodes - lots of fun and something to keep!
Wonderful gift for children. Got this on Amazon last Christmas for my 6 yr old grandson, and he was amazed! Recommend that you break these open outside on a hard surface, and I used an old rag to put the geodes in and a rubber hammer to crack them. I enjoyed this very much myself and I highly recommend this geode set, very reasonably priced!
C**N
Love it
Great set but be warned, these are quite hard to open. With the regular hammer, I probably had to hit it for a good 20min! I guess it attests to their authenticity
Trustpilot
3 weeks ago
2 weeks ago