Break-Your-Own Geodes

Break-Your-Own Geodes is rated 3.4 out of 5 by 55.
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$ 9.99
Per Dozen

Let each student in your classroom be an archeologist with this fun science activity. Place a geode in a bag or sock and hit it firmly with a hammer t ...read more

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Product Details

Let each student in your classroom be an archeologist with this fun science activity. Place a geode in a bag or sock and hit it firmly with a hammer to break open (not included). Geodes may contain colored rock or sparkling crystals! What treasure will you find? Adult supervision required. Geode size and contents may vary. Please note that because these are natural rocks, results will vary and they may not all contain crystals.

Teachers Pick Banner

"Enhance your science unit by having your students break their own geodes.This product is great for motivating students!"
Amy, Educational Product Development Specialist

Item Number:

9/535

WARNING: CHOKING HAZARD

Small parts. Not for children under 3 years.

Product Specs

  • Unit of Measure: Per Dozen
  • Grade: 3rd Grade, 4th Grade, 5th Grade, 6th Grade

Ratings & Reviews

Rated 3 out of 5 by from Compared I was doing a project with my Sunday school class at church and found these to be the best value. After reading some of the reviews I was hesitant. I wound up getting geodes from two different sites. About half of the geodes were not crystallized, and they were small. The other site I ordered from, which was slightly more money, had better quality of he crystals. I understand you can't see inside the geodes prior to packing them and the kids still had fun but they enjoyed it more when the crystals were found.
Date published: 2016-08-02
Rated 5 out of 5 by from Great price These were fantastic as "rock" themed favors for my son's birthday. We also included the "rock" shaped bouncing balls and a magnifying glass.
Date published: 2018-04-05
Rated 3 out of 5 by from Tiny geodes I thought these were neat geodes to crack open during my son's party. They were a bit too small in my opinion, made it difficult to grasp and hammer it at the same time.
Date published: 2018-01-13
Rated 3 out of 5 by from NOT TOO SHABBY The geodes were on the small side which made them a challenge to keep in place while trying to break them. Some were extremely difficult to break while others broke rather easily. Allow the adults were a little frustrated the kids had a great time and it went well with our lesson.
Date published: 2017-10-17
Rated 2 out of 5 by from Very disappointed students We cracked open each geode in the bag, in student groups of 4. It was so disappointing that only one or two had a bit of a crystal hollow ... not much. I understand that nature determines which are hollow and filled with crystals, but this was a big let down. I think Oriental Trading should send us another bag, complimentary. We teachers buy a lot from you.
Date published: 2017-10-15
Rated 2 out of 5 by from Not what it should've been I received my order faster than expected, sadly, that's the only good thing about it. I bought them for my Pre-k class. We broke them today, and only 2 out of the 12, actually had the crystals in them. It was very disappointing to not only me, but my students as well. Only 2 students got to take home crystals, the only 10 just got rocks. I know it can be a chance with them, but when almost all of them are only plain rocks, it was a waste of money.
Date published: 2017-05-16
Rated 2 out of 5 by from They were small They were a lot smaller then I thought they would be. Not extremely sparkly either..
Date published: 2017-03-09
Rated 2 out of 5 by from Disappointing Out of the 12 geodes in the bag, only a couple actually had pretty crystals in them. One stone was just clay. Most of the geodes were pebble size, with one the size of a golf ball. The instructions say to hit the stone with a hammer to break them open, which made the pebble size ones crumble into teeny tiny pieces. Smashing stones was fun, but overall, it was pretty disappointing because you really don't have anything to show for your efforts.
Date published: 2017-01-12
Rated 1 out of 5 by from several weren't geodes and they were so small I thought the kids would like these but several weren't even geodes and just broke into pieces of sandstone or whatever...the ones that were geodes weren't very impressive. The kids did not enjoy them. A couple were pretty inside.
Date published: 2017-01-11
Rated 5 out of 5 by from very cool Christmas present. They are very cool, but smaller than I thought they'd be. My kids loved them, though!
Date published: 2016-12-29
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Questions & Answers

How many are in each order?

Asked by: 1Zoe
there were 12 stones in my bag.
Answered by: Nickname2017
Date published: 2017-08-18

Are these real geodes? Is there any way to get most of them around the 2 inch size? Kids will argue over different sizes. Or do you have larger sets?

Asked by: 1strae8
They are real geodes. My bag had mostly small, pebble sized stones. Only one stone was 2 inches. The crystals inside were pretty disappointing. One stone was just clay and didn't have any thing inside it.
Answered by: Nickname2017
Date published: 2017-08-18
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