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4M Deluxe Crystal Growing Combo Steam Science Kit di STEAM Powered Kids, per ragazzi e ragazze dai 10 anni in su 10 cristalli

Brand:4M

3.5/5

€
55.76

Consigliato dai 10 anni in su. Il kit di scienza dei cristalli deluxe 4M include materiali per 1 cristallo grande, 3 cristalli medi, 4 cristalli piccoli, 1 cristallo fosforescente e 2 geodi di cristallo. Contiene tutto il necessario per iniziare, inclusi composti e miscele per la coltivazione di cristalli, cupole espositive, materiali per mescolare e istruzioni dettagliate. 4M Crystal Experiments include tutto ciò di cui hai bisogno per iniziare, quindi non c'è bisogno di cercare forniture aggiuntive. La maggior parte dei cristalli può crescere fino a 1-2 pollici di diametro e sono alti meno di 2 pollici.

Quantity
Aggiungi al carrelloCompra subito

EAN: 0085761261907

Categories: Giocattoli e giochi, Apprendimento e istruzione, Kit e giocattoli scientifici,

Consigliato dai 10 anni in su. Il kit di scienza dei cristalli deluxe 4M include materiali per 1 cristallo grande, 3 cristalli medi, 4 cristalli piccoli, 1 cristallo fosforescente e 2 geodi di cristallo. Contiene tutto il necessario per iniziare, inclusi composti e miscele per la coltivazione di cristalli, cupole espositive, materiali per mescolare e istruzioni dettagliate. 4M Crystal Experiments include tutto ciò di cui hai bisogno per iniziare, quindi non c'è bisogno di cercare forniture aggiuntive. La maggior parte dei cristalli può crescere fino a 1-2 pollici di diametro e sono alti meno di 2 pollici.
Age Range (Description) Kid
Brand 4M
Country of Origin China
Customer Reviews 4.4 4.4 out of 5 stars 18,880 ratings 4.4 out of 5 stars
Educational Objective STEM
Item Dimensions LxWxH 14.75 x 3.25 x 11.25 inches
Item model number 3835
Item Weight 2.52 pounds
Manufacturer 4M
Manufacturer recommended age 10 years and up
Product Dimensions 14.75 x 3.25 x 11.25 inches
Release date September 1, 2019
Size Deluxe

3.5

13 Review
5 Star
68
4 Star
16
3 Star
9
2 Star
3
1 Star
4

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Scritto da: Elizabeth A. Mossoian
They loved it!
I bought this as a gift around Christmas time. They absolutely loved it!
Scritto da: Jade J.
Granddaughter loved it
Worked as intended
Scritto da: Stephanie WIlburn
Really neat!
Very easy and grows big crystals. Pretty cool!
Scritto da: Brian F.
Fantastic if you used distilled water
The crystals came out fantastic when we boiled distilled water rather than tap water. For those getting weird formations, you may have sediment or other things in your water that is messing it up. Also, depending on the temperature and humidity in your home, the time it takes for full formation may vary. The first formations took less time than subsequent ones because it was warmer and had less humidity. This was a super fun, super easy, way to teach my daughter about crystals and how they form. We'd use a flashlight (being careful not to disturb the solution) and check them out as they were growing. She was particularly interested in the little crystal formations as they crawled up the side of the container like they had a mind of their own. Would definitely buy again.
Scritto da: Amy
Great craft kit
Fun craft to do, have to be patient but crystals will grow
Scritto da: TuCool
This set is AWESOME! I highly recommend it
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!
Scritto da: Shane Tourney
Cool easy project
My kids and I did this together and they loved it. My kids are 3 and 6. I helped them but they were still involved and were really excited for the outcome. It took about 4 to 5 days to finish the crystals. They “travel” so much though we had to finish them before the 7 days because they kept traveling out of the container. They came out very pretty!
Scritto da: anonymous
Mixed results
Mixed results, some grew nicely and some didn't. There was not enough color dye minerals provided and some of the results may have been affected by the lack of materials. The finished crystals were extremely fragile and can not be handled without breaking. The rinse process actually causes damage to the finished product. This experiment is basically making salt crystals, so they are not very hard and can melt in running water. The plastic display cases did not snap together, the lids smaller than the bases. You must wear rubber gloves, not provided, or you will end up with dye all over you. Not recommended for young kids. Best to lay out a full sheet of cardboard to protect your work space and do this experiment in a basement or garage where a spill won't damage your interior flooring. Boiling water and using dye are part of this experiment so it is more for teenage or adult users. It was kind of interesting, but the final product is too fragile for practical display and long term keeping. Not sure about the toxicity, but it does say it contains chemical salts used in commercial fertilizers. Could be skin sensitivity concerns for some.
Scritto da: Juan Cruz
No pudimos hacer cristales
Quizás fue la temperatura de la casa, que era más fría de lo recomendado, pero no logramos que se hagan los cristales. El proceso fue divertido, pero a mis hijos les desilusionó que no se formara nada.
Scritto da: Jesus A.
Excelente!!
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
Scritto da: Rodrigo
Impresionantes cristales
Gran juego educativo. Los cristales realmente se forman como se ven, hay que seguir las instrucciones y tener cuidado de no vaciar la solución restante directamente en el drenaje ya que puede formar cristales que obstruyan el drenaje.
Scritto da: Marco Antonio Gurrola Navarro
Sin instructivo.
No trae instructivo. Se indica que se baje una aplicación de Android pero no la pude encontrar. Quizás por eso está en oferta. Estoy pensando hacer la devolución. Actualización: el producto no es elegible para devolución según las políticas de Amazon. Buscaré la forma de pedir un reembolso
Scritto da: Jsrubi
Nunca crecieron los cristales tal cual se indica
Por mas que leímos las instrucciones y se dejo quieto el recipiente, nada que se le asemeje al resultado que debía tener. Ademas es una MINI cajita. Te entretiene si, pero el resultado es muy decepcionante.

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