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Rocks, Gems and Geodes: Maker Lab (Klutz STEM Kit) 8" x 1.5" x 11.5"

4.7 4.7 out of 5 stars 329 ratings
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Purchase options and add-ons

  • Promotes STEM/steam
  • The labeled tray keeps your rocks organized and ready to display
  • Everything you need to grow your own geode
  • Learn about the properties of different types of rocks
  • Clear instructions Take the intimidation factor out of being a maker

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Rocks, Gems and Geodes: Maker Lab (Klutz STEM Kit) 8" x 1.5" x 11.5"


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Product Description

The colorful rocks you explore with this kit will opened the world of Earth science and geology! Kick-start your very own rock collection with the included stones. Then use the included crystal powder and mold to grow a geode formation. Collect rocks and conduct experiments, such as a scratch test and float test, to discover their hidden properties. You'll even learn how to make your very own rock tumbler! Use the fact-filled book to keep exploring the world around you!

Important information

Safety Information

WARNING: This set contains chemicals that may be harmful if misused. Read cautions on individual containers or in book instructions carefully. Not to be used by children except under adult supervision.


From the manufacturer

STEM, STEAM, Minerals, Chemistry, Geodes, Science, Math, Educational, Tween, Fun, Craft, Crafting

Creativity, Crafting, Craft, Skills, Imagination, Create, Empower, Engineer, Fun, Exciting
What is Klutz?

Klutz is a premium brand of book-based activity kits, designed to inspire creativity in every kid. Our unique combination of crystal-clear instructions, custom tools, materials, and hearty helpings of humor is guaranteed to kick-start creativity

  • Super-clear instructions
  • Open-ended creativity
  • Skills to build on
  • Everything you need
  • Good for reluctant readers

Rocks, Gems & Geodes

36 Rocks to Start Your Collection

Kids will dig the world of earth science and geology! Kick-start your very own rock collection with the 36 stones, then use the included crystal powder and mold to grow your own geode formation. Collect rocks and conduct experiments, such as a scratch test and float test, to discover their hidden properties. The fun doesn’t stop there - You’ll even learn how to make your very own rock tumbler. Use the fact-filled book to keep exploring the world around you as you find more samples to collect

STEM, STEAM, Minerals, Chemistry, Geodes, Science, Math, Educational, Tween, Fun, Craft, Crafting

STEM, STEAM, Minerals, Chemistry, Geodes, Science, Math, Educational, Tween, Fun, Craft, Crafting

STEM, STEAM, Minerals, Chemistry, Geodes, Science, Math, Educational, Tween, Fun, Craft, Crafting

STEM, STEAM, Minerals, Chemistry, Geodes, Science, Math, Educational, Tween, Fun, Craft, Crafting

What You Can Make

  • Conduct Experiments
  • Make Your Own Rock Tumbler
  • Make Your Own Geode

Everything You Need To Get Started

  • 36 rocks
  • Display tray
  • Crystal powder
  • Geode mold
  • Plaster
  • Magnifying glass

Crystal Clear Instructions

Clear instructions take the intimidation factor out of being a Maker and promotes STEM/STEAM. The 32-page book explains the properties of different types of rocks.

Crafting With Klutz

Since it’s inception, Klutz has been the creator of kids’ activity products that stimulate growth through creativity.

Klutz kits contain quality, kid tested components and projects. Our goal is to promote experimentation and empower the curiosity in every kid

What's in the box

  • 36 rocks, display tray, crystal powder, geode mold, plaster, magnifying glass
  • Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    329 global ratings

    Customers say

    Customers like the age range and rocks in the toy. They mention it's fun and exciting for kids, with a great selection of little sample rocks and amazing gems. Customers also say it'll make a good geologists gift.

    AI-generated from the text of customer reviews

    4 customers mention4 positive0 negative

    Customers find the toy and game fun for kids. They say it's a great idea and an exciting project for kids of different ages.

    "My kiddo LOVED this! Tons of amazing gems and so much fun! He loves looking at all the different kinds and learn about them!..." Read more

    "This was a fun exciting project for my 7 year old! She loved it." Read more

    "It is fun for kids." Read more

    "...Dissapointing! Great idea for kids...my granddaughter has cerebral palsy and wants to collect stones and crystals and shells-like me...." Read more

    3 customers mention3 positive0 negative

    Customers find the rocks in the kit great, with tons of amazing gems. They also say it's an excellent starter rock kit and a good gift for geologists.

    "My kiddo LOVED this! Tons of amazing gems and so much fun! He loves looking at all the different kinds and learn about them!..." Read more

    "Great selection of little sample rocks and info.Good little geologists gift." Read more

    "This is an excellent starter rock kit!..." Read more

    Fun, educational tool
    4 Stars
    Fun, educational tool
    For both boys and girls, men and women, this lab kit surprised us quite a bit. We love hiking as a family, but for the heck of us, we are never able to identify the rocks that we come across, particularly when shiny or colorful ones come across our paths.This kit SOMEWHAT helped us with learning how to identify some of the rocks, but more importantly, we were excited to see how they would grow into Geodes. We waited nearly 2 months before writing this review since it would take quite some time to grow anything worthwhile to write about.The steps were somewhat easy (but DEFINITELY FUN):- Heat some distilled (for purity) water in the microwave until it's very hot- In a heat-proof glass jar, add a packet of crystal powder (JAR1)- Add the heated water into the jar and stir for about 20 secs until all the powder has dissolved- Let sit for 3 days and label the jar- After 3 days, stir plaster powder and water (don't add too much!) into a disposable cup (CUP1)- Let (CUP1) sit for 2 mins to allow powder to solidify- Spread the plaster powder (from CUP1) into the Geode mold and let set for a few mins- Dispose of the liquid from the crystal powder jar (JAR1) and use a stirring stick to break up the crystals at the bottom of the jar- Transfer broken crystals into the Geode mold and spread them around- Let mold set for 3-5 more days (or until liquid has evaporated)- Once liquid is gone, Geode is ready!- The instructions say to dispose of liquids in the sink. I STRONGLY ADVISE AGAINST THAT!Did it work? On our first try, no. We had added too much water into CUP1 with the plaster powder, and so it never solidified (it stayed too liquid). Subsequent tries, however, gave much better results!With 36 rocks, it provides a few months' worth of observations. The included guide also has some interesting facts and experiments for the children to perform.Overall, a fun kit to explore Geodes with!
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