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Lvr87
Comentado en los Estados Unidos el 18 de febrero de 2025
Best crystal growing kit we have bought because it comes with a container you can display. All the other kits, the growing containers were just plastic cups and you cannot remove the crystals to keep or display without them breaking. This kit was so exciting for my science loving son so he could put his hedgehog crystals on his shelf. Highly recommend. Grew fast and looks just like the display photo.
marta farlin
Comentado en los Estados Unidos el 13 de abril de 2025
This kit was so exciting to receive. It’s sad that the containers were both severely cracked and all of the liquid spilled out of them. The hedgehogs never developed any crystals. The colored solution separated itself from the crystals. I had white crystal formations outside the containers but they looked nothing like the picture. They were clusters of tiny ones. I’m a science teacher. Don’t recommend.
Customer
Comentado en Canadá el 15 de mayo de 2024
Worked out in the end - had to reheat it again though. I followed the directions (I thought) which are contradictory. Step 3 says boil water - stir to dissolve - put in hedgehog. These are the directions to follow for the most part. Step 3 through 6 say let solution cool down to room temperature then put in hedgehog. Don’t follow those instructions as it won’t work. Ours didn’t work at first, as I followed all the instructions. A few days later I took the hedgehog out - reheated the liquid and redissolved the crystals and put hedgehog back in with it still quite hot. Not boiling as I reheated in the microwave, but not room temperature. This time it worked. So with step 4 - let it cool down some would be ok I think as the temperatures there list (104-140 F) but the written part that says “let cool down to normal room temperature” do not do. This may be issue some of the other reviews that say it did not work may have had.
Karen Pearson
Comentado en Canadá el 28 de julio de 2023
Fun project... great results
Carriebella
Comentado en los Estados Unidos el 8 de febrero de 2023
This was a fun science experiment to do with my son.You do have to boil water, and you have to stir for about 5 minutes for each hedgehog. My son said he thought his arm was going to fall off from all of the stirring. I assured him his arm would not fall off.The instructions implied the hedgehog would be fully grown after a two days, but I left ours in for a couple additional days. The green hedgehog grew faster than the blue hedgehog. So I left the blue hedgehog in an additional day longer than the green one. I probably could have left them in the fluid even longer, but we were too excited and wanted to see what they look like after 4 days.The crystals are fragile, The hedgehogs can't really be handled because when you touch the crystals they do break off.You will need gloves to take the hedgehogs out of the fluid, the fluid will stain your hands. Gloves are not included.Overall were very pleased with this experiment!
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