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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From the manufacturer
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 Experiment
Learn about beautiful crystals as you watch them grow
The 4M Crystal Growing Experiment teaches kids and adults about the beauty and complexity of crystal growth with stunning results. Simply follow the directions to conduct seven different crystal growing experiments. Watch as each sparkling crystal forms and grows inside its own unique display dome. Once grown, these crystals will last indefinitely for family and friends to enjoy.
This kit is an excellent gift for any child who's interested in science or geology.
- Kit has everything you need to get started, including crystal growing compounds and mixtures, seven display domes, stirring supplies, and detailed instructions.
- Teach children about crystal growth with the included fact sheet
- Grow your own stunning crystals in a multitude of colors
- Recommended for ages 10 and up.
- Accredited by STEM.ORG the leader in credentialing of STEM toys, games and educational resources.
Learning Experiences with Eye-Catching Results
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Develop Your Child's Interest in Science4M Crystal Kits are hands-on experiments that children can directly participate in. They're a fun way to teach scientific principles while providing a beautiful, tangible result that kids can be proud of. |
Multiple Experiments and Crystal TypesEach kit comes with crystals in a multitude of shapes and colors, providing a variety of eye-catching results. |
Includes Everything You Need4M Crystal Experiments include everything you need to get started, so there's no need to hunt for additional supplies. |
Better TogetherCombine the 4M Crystal Growing Experiment and Crystal Mining Kit for a super science gift that kids will love. Start a crystal growth session, switch to crystal mining afterwards, then admire the beautiful results of both! |
The 4M Brand is Recognized by STEM.org as a STEM Authenticated Brand
STEM.org is the longest continually-operating, privately held STEM education research and credentialing organization in America. Since 2001, its leadership has assisted with key initiatives that have been critical to the overall growth and proliferation of the movement, including early work on the 2005 STEM Congressional Caucus. Its team demonstrates the best in pedagogics / andragogics, supporting the world’s top brands, organizations and thousands of educators globally.
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| 4M Crystal Growing Experiment | 4M Crystal Growing Dinosaur Terrarium | 4M Unicorn Crystal Terrarium | 4M Deluxe Crystal Growing | 4M Glow Crystal | |
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| Customer Reviews |
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| Price | $18.95 | $25.00 | — | $26.05 | $10.99 |
| STEM Learning Opportunities | ✓ | ✓ | ✓ | ✓ | ✓ |
| Number of Crystals to Grow | 7 | 4 | 1 | 10 | 1 |
| Glow in the Dark Crystals | ✓ | ✓ | |||
| Grows Two Geodes | ✓ | ||||
| Includes Display Case(s) | ✓ | ✓ | ✓ | ✓ | ✓ |
| Recommended Ages | Ages 10 and Up | Ages 10 and Up | Ages 10 and Up | Ages 10 and Up | Ages 10 and Up |
| Figurines Included | ✓ | ✓ |
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HONEST review of the crystal growing experiment kit
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Great quality
This set is AWESOME! I highly recommend it! I purchased it to grow crystals at home, it was a fun experiment to keep me entertained during busy season and it did not disappoint. Growing solution stains hands and countertops, so be sure to use gloves and Clorox wipes. All in all, a good product.
Top reviews from the United States
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Reviewed in the United States on February 25, 2016
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!
Style: 7 CrystalsVerified Purchase
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.Reviewed in the United States on February 25, 2016
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!
Images in this review
Reviewed in the United States on January 3, 2017
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.
Style: 7 CrystalsVerified Purchase
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.Reviewed in the United States on January 3, 2017
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.
Images in this review
Reviewed in the United States on March 12, 2024
Style: 7 CrystalsVerified Purchase
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.
Images in this review
Reviewed in the United States on April 1, 2024
Style: 7 CrystalsVerified Purchase
This set is AWESOME! I highly recommend it! I purchased it to grow crystals at home, it was a fun experiment to keep me entertained during busy season and it did not disappoint. Growing solution stains hands and countertops, so be sure to use gloves and Clorox wipes. All in all, a good product.
Images in this review
Top reviews from other countries
rakesh Mishra
Not up to mark as it is claimed
Reviewed in India on April 12, 2023Style: 3 CrystalsVerified Purchase
Evelyn Bautista Aguirre
Producto equivocado
Reviewed in Mexico on September 12, 2020Style: 3 CrystalsVerified Purchase
Evelyn Bautista Aguirre
Reviewed in Mexico on September 12, 2020
Images in this review
Jesus A.
Excelente!!
Reviewed in Mexico on July 4, 2022Style: 7 CrystalsVerified Purchase
Jesus A.
Reviewed in Mexico on July 4, 2022
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
Images in this review
Jsrubi
Nunca crecieron los cristales tal cual se indica
Reviewed in Mexico on June 27, 2019Style: 3 CrystalsVerified Purchase
