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4M Crystal Growing Science Kit - 3 Colored Crystals - Easy DIY STEM Toys Lab Experiment Specimens, A Great Educational Gift for Kids & Teens, Boys & Girls Ages 10+

4.4 4.4 out of 5 stars 19,463 ratings

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3 Crystals

Purchase options and add-ons

Size Large
Brand 4M
Theme Geology
Age Range (Description) Kid, Teen
Item Dimensions LxWxH 3.75 x 3.63 x 1 inches

About this item

  • Watch as sparkling crystals form right before your eyes.
  • Pour the large bag of white crystal base compound into the bottom of the experiment jar. Follow the directions carefully to perfectly add the special seeding mixture.
  • Perfect for young science enthusiasts, especially those with an interest in geology.
  • Complete instructions are included with the kit.
  • Recommended for ages 10 years and up.
  • Challenge your child's imagination with 4M toys and kits.
  • 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more.
  • 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun.

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4M

4M Crystal Growing Science Kit - 3 Colored Crystals - Easy DIY STEM Toys Lab Experiment Specimens, A Great Educational Gift for Kids & Teens, Boys & Girls Ages 10+


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Product Description

Experience the fascinating science of crystal formation with the 4M Crystal Growing Kit. Watch as sparkling crystals form right before your eyes. Pour the large bag of white crystal base compound into the bottom of the experiment jar. Follow the directions carefully to perfectly add the special seeding mixture. Perfect for young science enthusiasts, especially those with an interest in geology. Complete instructions are included with the kit. Recommended for ages 10 years and up. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more. 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun.

Important information

Safety Information

Choking - Small Parts


From the manufacturer


Grow colorful crystals at home

About 4M

4M educational toys cover a wide range of subjects and include science kits, arts and crafts kits, robotics kits, and more. Each toy is creative, imaginative, inspiring--and most of all, fun! They encourage your child's inquisitive nature while teaching them to explore the world around them.

4M Crystal Growing Kit

Explore the fascinating world of geology in a fun, hands-on way

Create unique, brilliantly-colored crystals at home with the 4M Crystal Growing Kit. Combine the white crystal base compound with the precise amount of seeding mixture and watch in real-time as the crystal takes shape. This kit includes enough base compound and seeding mixture to create three crystals in a variety of colors. Detailed instructions provided. Recommended for ages 10 and up.

  • Create unique, brilliantly-colored crystals at home
  • Combine crystal base compound with seeding mixture and watch crystals take shape
  • Contains enough base compound and seeding mixture to create three crystals
  • Detailed instructions included
  • Recommended for ages 10 and up

Experience the Amazing Process of Crystal Formation

Grow Glittering Crystals

Grow vibrantly-colored crystals in real-time using the special seeding mixture.

Create a Unique, Colorful Display

Display each crystal in its grow cup to share with family and friends.

Better Together

What's better than one project? How about an afternoon of them? Mix 4M Crystal Growing Kits and provide hours of enrichment through discovery, collecting, and play.

4M Crystal Growing Kit 4M Crystal Growing Experimental Kit 4M Mini Crystal Growing Kit
Customer Reviews
4.4 out of 5 stars
19,463
4.4 out of 5 stars
19,463
Teaches Scientific Principles Yes Yes Yes
Topics Covered Geology Geology Geology
Number of Experiments 3 7 1
Instructions Included
Recommended Ages Ages 10 and Up Ages 10 and Up Ages 10 and Up

What's in the box

  • all parts needed to complete the crystal grow experiment, instructions
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.4 out of 5 stars
    4.4 out of 5
    19,463 global ratings

    Customers say

    Customers like the fun, completeness and ease of use of the science fundamentals kit. For example, they mention it's a great activity, kids really enjoy it and it takes about a week to do. That said, opinions are mixed on value, performance, growth, and color.

    AI-generated from the text of customer reviews

    225 customers mention158 positive67 negative

    Customers find the science fundamentals kit easy to follow and recommend it for children ages 8 and above. They also say it takes about a week to do and wake up every morning to check the progress.

    "...The steps are simple enough I was able to grow these in my office with ease. All you need is boiling water and the rest is provided in the kit...." Read more

    "Crystal instructions were detailed and easy to use. Takes a little time, and some crystals did not grow properly...." Read more

    "...This experiment is basically making salt crystals, so they are not very hard and can melt in running water...." Read more

    "...It is pretty simple to do, and the results are pretty cool...." Read more

    207 customers mention207 positive0 negative

    Customers find the science fundamentals kit fun. They say it's easy to make and fun to grow. Customers also say it works like a champ and the kids really enjoyed it. They mention it'll create old-fashioned fun when you're stuck indoors without electricity. Customers say it’s a good family activity.

    "...that doesn't require any batteries or electricity, and just creates "old fashion" fun. It is pretty simple to do, and the results are pretty cool...." Read more

    "Very fun for kids" Read more

    "...Ages 3-8 I'd say really giftable and fun for kids!" Read more

    "...This was a super fun, super easy, way to teach my daughter about crystals and how they form...." Read more

    192 customers mention155 positive37 negative

    Customers find the science fundamentals kit very interesting, great for little ones, and educational. They say it keeps their minds and hands busy and engaged, teaching patience and how to follow instructions. Customers also say it's a good product for your child, but the parent will do most of the work.

    "...You will start seeing growth overnight. Its amazing to watch the progress...." Read more

    "Great product for kids to experiment." Read more

    "...This was a super fun, super easy, way to teach my daughter about crystals and how they form...." Read more

    "...Pros:Great value. This kit has a great focus on experimentation where other kits are more focused on the growing aspect...." Read more

    142 customers mention131 positive11 negative

    Customers find the science fundamentals kit amazing, excellent, and the best crystal kit they have ever bought. They say it's easy to do and the crystals turn out awesome. Customers also say it has the most variety and is a great kit to start with.

    "...I think the large crystals are the coolest.All in all this is an amazing kit...." Read more

    "This was a Christmas gift, and so far they have turned out well...." Read more

    "Got this as a gift and my sister loved it, very good product" Read more

    "Got this for Christmas as gifts for kids. They liked it and thought it was really cool! Ages 3-8 I'd say really giftable and fun for kids!" Read more

    470 customers mention205 positive265 negative

    Customers are mixed about the growth of the crystals. Some mention that they did grow and are very pretty, while others say that they didn't grow at all or grew in an irregular way. The kit allows you to grow 1 large crystal, 2 medium crystals, and 4 small crystals; however, some customers report issues with the instructions and crystal growth.

    "...They all had the flaky growth on the outside of the cup, which cleans off easily when they are finished growing...." Read more

    "...The kit allows you to grow 1 large crystal, 2 medium crystals, and 4 small crystals simultaneously because that is the amount of containers they..." Read more

    "...Takes a little time, and some crystals did not grow properly...." Read more

    "Not all the crystals turned out. The white crystals did great, the blue didn’t do much of anything and the red turned out just ok...." Read more

    288 customers mention98 positive190 negative

    Customers are mixed about the performance of the science fundamentals kit. Some mention that it works like a champ and the kids really enjoy it, while others say that it's extremely disappointed in the results and that the directions were not followed correctly.

    "...It was a fun project but the outcome was very disappointing for the kids..." Read more

    "...It is pretty simple to do, and the results are pretty cool...." Read more

    "...Order a different kit. 3 weeks later garbage disposal stop working along with every drain in the kitchen including the dishwasher...." Read more

    "...Kids were so excited about this gift only to have it fail miserably...." Read more

    240 customers mention161 positive79 negative

    Customers are mixed about the color of the crystals. Some mention that they are very pretty, cool, and purple. However, others say that they look horrible, unattractive, and not enough white coloring for all crystals, and the bag didn't look fun.

    "...We have only completed the 4 small crystals, and they all look nice, but the color did not turn out well on the "purple" crystal...." Read more

    "So cute" Read more

    "...There was not enough color dye minerals provided and some of the results may have been affected by the lack of materials...." Read more

    "...You can also experiment with the color of the crystals. Do you want a deep blue, light blue, red, purple, pink, etc?..." Read more

    136 customers mention55 positive81 negative

    Customers are mixed about the value of the science fundamentals kit. Some mention it's great value and worth the purchase, while others say it'd be a total waste of money. They also say the crystals are not worth the money, the hassle, and the hype. Some customers also mention that the product is a lot cheaper made than expected, and a rip off. Overall, customers are mixed opinions about the quality of the display cases.

    "...The price is perhaps a little high for just a bag of chemical and a plastic container, but it was worth it to me not to have to hunt these things..." Read more

    "Great value- I'm looking forward to practicing with this kit before moving onto more expensive growing sets with my niece and nephew...." Read more

    "...Total waste of money and time and a huge disappointment for my son." Read more

    "...Anyway, we are very pleased! Totally worth it...." Read more

    Good product, tad bit messy
    4 Stars
    Good product, tad bit messy
    Crystal instructions were detailed and easy to use. Takes a little time, and some crystals did not grow properly. Growing solution stains hands and countertops, so be sure to use gloves and Clorox wipes. All in all, a good product.
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    Top reviews from the United States

    Reviewed in the United States on February 25, 2016
    Style: 7 CrystalsVerified Purchase
    Customer image
    5.0 out of 5 stars This set is AWESOME! I highly recommend it
    Reviewed in the United States on February 25, 2016
    This set is AWESOME! I highly recommend it! I purchased it to grow crystals in the office as a fun experiment to keep me entertained during busy season and it did not disappoint. You need to be sure to follow the instructions carefully. I made a fatal error on my first attempt and did not wait the full 30 minutes before I added the crystal seeding and nothing ended up growing. On the subsequent attempts I followed the instructions to a T and was able to grow beautiful crystals. I even ordered a second set because the results were astounding.

    The steps are simple enough I was able to grow these in my office with ease. All you need is boiling water and the rest is provided in the kit. The first step is to dissolve the crystal mixture (it looks almost like sugar) into hot water. Next, you have to let it sit for 15 minutes, and then transfer it into a clear plastic container where the crystal will grow. WAIT ANOTHER 30 MINUTES after the water is transferred. This step is crucial otherwise the crystals will not grow.

    Once you have waited the allotted time you drop in the crystal seeds. They provide blue, red, and white crystals so you can mix and match them to create different colored crystals. It seems that each type of crystal seed grows a different shape of crystal. I noticed that the red crystal seeds will grow more block-like crystals whereas the blue seeds will create more sharp/pointy crystals that flower out. Blue and red will create a crystal that looks like a combination between the two - it flowers out but is more block-like. Keep this in mind when you choose the colors you make.

    You will start seeing growth overnight. Its amazing to watch the progress. On the instructions it says it takes 4-7 days before the crystals are fully grown. I would keep an eye on them and drain the water when the crystal is about to emerge from the water. If you leave it too long the crystal is exposed to the air it will form "snow-like" growths on the top (which I think are ugly). The rate of growth will be affected by the temperature of the room as well as the size of the crystal you are growing. The crystals grow well in warmer temperatures. The small crystals will finish growing faster than the large ones.

    Each bag of crystal mixture can either make 1 large one, 2 medium sized one, or 4 small ones. The kit allows you to grow 1 large crystal, 2 medium crystals, and 4 small crystals simultaneously because that is the amount of containers they provide. If you want to grow 3 large ones you can grow them one at a time because they only provide one large container. I think the large crystals are the coolest.All in all this is an amazing kit. Everyone in the office is jealous and now they want to grow their own crystals too. 5 stars!!! I want to make ALL the crystals!
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    984 people found this helpful
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    Reviewed in the United States on January 3, 2017
    Style: 7 CrystalsVerified Purchase
    Customer image
    5.0 out of 5 stars and they all look nice, but the color did not turn out well ...
    Reviewed in the United States on January 3, 2017
    This was a Christmas gift, and so far they have turned out well. We have only completed the 4 small crystals, and they all look nice, but the color did not turn out well on the "purple" crystal. We may not have put enough blue color to balance it correctly. Ours grew for 6 days, however we did see results after 24 hours. They all had the flaky growth on the outside of the cup, which cleans off easily when they are finished growing. We started seeing this around day 3 on the dark blue, and by the end of day 6, it had occurred on all of them. The 2 blue seem to be more delicate than the 2 red.

    Some people said they followed the directions to a T, and did not see results. One thought is perhaps the temperature of the room where they were growing them is not warm enough. I believe the directions say to make sure the room is above 68 degrees. We grew these in our basement, and I made sure to turn up the heat to 70 while these were growing. If you follow the directions, keeping in mind the temperature, I don't see how it can't work. One last thing...it definitely requires adult supervision (really they have to do all of the work), I would say up to at least 12, due to the boiling water and chemicals. We will finish these out as is, but I would buy it again, and make 3 large crystals, or all medium. I wouldn't bother with the small crystals.
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    68 people found this helpful
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    Reviewed in the United States on March 12, 2024
    Style: 7 CrystalsVerified Purchase
    Customer image
    4.0 out of 5 stars Good product, tad bit messy
    Reviewed in the United States on March 12, 2024
    Crystal instructions were detailed and easy to use. Takes a little time, and some crystals did not grow properly. Growing solution stains hands and countertops, so be sure to use gloves and Clorox wipes. All in all, a good product.
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    Reviewed in the United States on December 20, 2023
    Style: 7 CrystalsVerified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on February 19, 2024
    Style: 3 CrystalsVerified Purchase
    Reviewed in the United States on February 13, 2024
    Style: 7 CrystalsVerified Purchase
    Reviewed in the United States on February 21, 2024
    Style: 7 CrystalsVerified Purchase
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    5.0 out of 5 stars Kid approved!!
    Reviewed in the United States on February 21, 2024
    My daughter had an absolute blast making this.
    Pro tip follow the directions to a T.
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    3 people found this helpful
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    Reviewed in the United States on January 16, 2024
    Style: 7 CrystalsVerified Purchase
    One person found this helpful
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    Top reviews from other countries

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    Erika
    5.0 out of 5 stars Lindo regalo!
    Reviewed in Mexico on December 20, 2023
    Style: 7 CrystalsVerified Purchase
    rakesh Mishra
    1.0 out of 5 stars Not up to mark as it is claimed
    Reviewed in India on April 12, 2023
    Style: 3 CrystalsVerified Purchase
    Evelyn Bautista Aguirre
    1.0 out of 5 stars Producto equivocado
    Reviewed in Mexico on September 12, 2020
    Style: 3 CrystalsVerified Purchase
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    Evelyn Bautista Aguirre
    1.0 out of 5 stars Producto equivocado
    Reviewed in Mexico on September 12, 2020
    Me llego el producto equivocado, lo quería para un regalo y abrí la caja para sacarlo y envolverlo el día del evento y me voy dando cuenta que no es, que coraje!!!
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    Jesus A.
    5.0 out of 5 stars Excelente!!
    Reviewed in Mexico on July 4, 2022
    Style: 7 CrystalsVerified Purchase
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    Jesus A.
    5.0 out of 5 stars Excelente!!
    Reviewed in Mexico on July 4, 2022
    Nos gustó mucho a mi hijo y a mi!
    Muy buena actividad en conjunto.
    Si nos sorprendió que creciera tanto en una region donde hace frio constante y es muy humedo. Pero se dejó crecer atrás del refrigerador y ahí está el resultado. :D
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    3 people found this helpful
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    Jsrubi
    1.0 out of 5 stars Nunca crecieron los cristales tal cual se indica
    Reviewed in Mexico on June 27, 2019
    Style: 3 CrystalsVerified Purchase
    2 people found this helpful
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