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    What People Are Saying

    Difficult to Crack, but Fun
  • Melanie
  • 01/17/2017
  • We ordered three of these and used a screwdriver and hammer to crack them apart. It was difficult even for the adults assisting to get them to crack in half. There were plenty of turns for everyone to hit them and I was worried they would be completely smashed apart. You won't get a perfect break in half unless you use a saw to slice them, but we really enjoyed doing these. One of ours was solid rock, but was very interesting to look at still. The other two had tiny recessed areas with little crystals inside. We would do this again!
    The kids loved them!
  • Wendy
  • 02/28/2016
  • We purchased these geodes for our son's preschool class. The kids loved getting to smash rocks with hammers and all the kids went home with a special rock that contained crystals inside. We were very pleased there were no "duds".
    Science Fun
  • Jennifer
  • 05/11/2015
  • I bought these for a science unit for my 4th grade class. They were a big hit!!! My students had a blast. They were a little difficult to break for a few but over all we love them. I am planning on getting them again next school year!!

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    Crack-Open Geode, Large

    Ages 8+

    Item# RM-GEODEXL

    $3.50 in_stock

    In Stock

    Order now to ship Today. Express shipping is available.
    Product Overview
    This large geode is fun to break open and discover crystals or other interesting mineral deposits inside.

    Quantity Pricing

    Save big when you purchase at the quantity levels shown below!


    QUANTITY 1 - 9 10+
    PRICE $3.50 $3.15
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    • Product Details

      Crack-Open Geode, Large

      This large geode is fun to break open and discover crystals or other interesting mineral deposits inside. Size is usually about 2"-2.25". You provide a hammer and help for young kids. Instructions included.

      You can order impact safety goggles for eye protection while cracking these geodes.

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