Can these be displayed for years or are they disposable in a few days?

For years. YEARS. It's been at least five years since I've last made these and their all missing their broken display cases but they just sit on my shelf. They are all perfectly fine, aside from maybe being pretty dusty.

According to the packaging warnings, yes, it is. However, the most basic care and attention can avoid any issues. Example, do not consume the chemicals with clear labels of their toxicity. You basically grow the crystal then put it in a display case. It is not for handling. I am not the most careful individual in the world and I did not perish using the product. My cat was smart enough not to consume the product as well. However, if someone were to get ill from the product, I think that would be considered natural selection more than anything.

About how long does a experiment take?

It takes about 45 min to set up including boiling some water and letting it cool. The directions are very good. Once set-up is complete it could take up to 7-days for crystals to grow but I saw results overnight. Hope this helps.

How big does this get and do you only get to grow 1 crystal?

One crystal cluster, about 2-3/4" wide (3" dia. container), about 2" high. Ours is a white crystal. My 8 year old enjoys shining a flashlight under and behind it to see the light effects.

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4M 7 Crystal Growing Science Experimental Kit with Display Cases - Easy DIY STEM Toy Lab Experiment Specimens, Educational Gift for Kids, Teens, Boys & Girls

4M 7 Crystal Growing Science Experimental Kit with Display Cases - Easy DIY STEM Toy Lab Experiment Specimens, Educational Gift for Kids, Teens, Boys & Girls

Product ID: 51584524

Details

Age range (description)
Kid
Brand
4M
Item dimensions L x W x H
21.6 x 24.1 x
Size
Growing
Theme
Chemistry

💎7 display domes for showcasing

📚Complete step-by-step STEM instructions

🔬7 unique crystal experiments

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NZ$145

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Description

💎 Grow brilliance, display genius.

NO BATTERIES NO FUSS - Ready to use out of the box—just add hot water and watch the science unfold.
STEM LEARNING MADE FUN - Engage young minds with hands-on science that blends geology and chemistry effortlessly.
SHOWCASE YOUR MASTERPIECES - Each crystal blooms inside its own elegant display dome—perfect for your desk or shelf flex.
7 STUNNING CRYSTAL EXPERIMENTS - Unlock the magic of chemistry with seven distinct crystal growth projects that captivate and educate.
PERFECT GIFT FOR FUTURE INNOVATORS - Inspire curiosity and creativity in kids 10+ with an award-winning educational kit.

The 4M 7 Crystal Growing Science Kit offers seven distinct crystal growth experiments complete with display domes and clear instructions. Designed for kids 10 and up, this STEM-focused kit combines chemistry and geology principles in a hands-on, battery-free experience that encourages scientific curiosity and creativity.

Specifications

ASIN	B00ITX1K4K
Age Range Description	Kid
Best Sellers Rank	592,276 in Toys & Games ( See Top 100 in Toys & Games ) 4,783 in Educational Science Kits
Brand Name	4M
Customer Reviews	4.4 4.4 out of 5 stars (15,656)
Educational Objective	STEM
Global Trade Identification Number	00085761196612
Included Components	all parts to perform the science project, detailed instructions
Is Assembly Required	No
Item Dimensions	21.6 x 24.1 x 8.3 centimetres
Item Part Number	5557
Item Type Name	science kit
Item Weight	1.05 Pounds
Manufacturer	Toysmith
Manufacturer Part Number	5557
Manufacturer Warranty Description	30 day warranty against manufacturer defects
Material Type	Crystal
Maximum Age Recommendation	120
Minimum Age Recommendation	120.0
Model Number	5557
Set Name	7
Size	Growing
Theme	Chemistry, Geology
UPC	085761196612
Unit Count	1.0 count

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