When this first arrived, I was really impressed, but now time has passed and I've discovered a problem. The "water" (or whatever liquid the ferrofluid is suspended in) is not sterile. This means that over time it has become discolored and looks slightly unpleasant now. Imagine keeping a bottle of water for a few months... the inside of the bottle has developed a brown tinge and a algae is growing inside. I've not researched if it is possible to swap the liquid, but keep in mind if you purchase that it might be best to keep it out of the sunlight to limit the speed at which the algae can grow.

When this first arrived, I was really impressed, but now time has passed and I've discovered a problem. The "water" (or whatever liquid the ferrofluid is suspended in) is not sterile. This means that over time it has become discolored and looks slightly unpleasant now. Imagine keeping a bottle of water for a few months... the inside of the bottle has developed a brown tinge and a algae is growing inside. I've not researched if it is possible to swap the liquid, but keep in mind if you purchase that it might be best to keep it out of the sunlight to limit the speed at which the algae can grow.

When this first arrived, I was really impressed, but now time has passed and I've discovered a problem. The "water" (or whatever liquid the ferrofluid is suspended in) is not sterile. This means that over time it has become discolored and looks slightly unpleasant now. Imagine keeping a bottle of water for a few months... the inside of the bottle has developed a brown tinge and a algae is growing inside. I've not researched if it is possible to swap the liquid, but keep in mind if you purchase that it might be best to keep it out of the sunlight to limit the speed at which the algae can grow.

This toy is amazing. It comes with two neodimium magnets so you can play with ferrofluid in many ways. The bottle was very well packaged and banggood adds extra foam protection so it have arrived in perfect condition. A surprising present for science freaks. Este juguete es fantástico. Viene con dos imanes de neodimio que permiten interactuar con el ferrofluido de muchas maneras. El envío va muy protegido y banggood lo manda envuelto en foam con lo que llego en perfectas condiciones. Un sorprendente regalo para los amantes de la ciencia.

This toy is amazing. It comes with two neodimium magnets so you can play with ferrofluid in many ways. The bottle was very well packaged and banggood adds extra foam protection so it have arrived in perfect condition. A surprising present for science freaks. Este juguete es fantástico. Viene con dos imanes de neodimio que permiten interactuar con el ferrofluido de muchas maneras. El envío va muy protegido y banggood lo manda envuelto en foam con lo que llego en perfectas condiciones. Un sorprendente regalo para los amantes de la ciencia.

This toy is amazing. It comes with two neodimium magnets so you can play with ferrofluid in many ways. The bottle was very well packaged and banggood adds extra foam protection so it have arrived in perfect condition. A surprising present for science freaks. Este juguete es fantástico. Viene con dos imanes de neodimio que permiten interactuar con el ferrofluido de muchas maneras. El envío va muy protegido y banggood lo manda envuelto en foam con lo que llego en perfectas condiciones. Un sorprendente regalo para los amantes de la ciencia.

es un gran regalo para ofrecer, me ha gustado el tamaño y el peso, viene en una cajica mona con esponja, asi que recomiendo este articulo al 100%

es un gran regalo para ofrecer, me ha gustado el tamaño y el peso, viene en una cajica mona con esponja, asi que recomiendo este articulo al 100%

es un gran regalo para ofrecer, me ha gustado el tamaño y el peso, viene en una cajica mona con esponja, asi que recomiendo este articulo al 100%

Works very well... Fantastic idea of self-contained magnetic experience with no-mess

Works very well... Fantastic idea of self-contained magnetic experience with no-mess

Works very well... Fantastic idea of self-contained magnetic experience with no-mess

Érdekes alakzatokat lehet vele létrehozni, főleg, ha a két mágnest egyszerre használjuk.

Érdekes alakzatokat lehet vele létrehozni, főleg, ha a két mágnest egyszerre használjuk.

Érdekes alakzatokat lehet vele létrehozni, főleg, ha a két mágnest egyszerre használjuk.

Why internal fluid magnetic dry

Why internal fluid magnetic dry

Why internal fluid magnetic dry

Good quality, strong magnets! Kids (3yo. to 6yo.) in my Kindergarden group where i am working love to play around with it! A little bit too expensive I think! Be carefull, the Magnets are really strong. They snap together and the skin of littlt kids can be hurt!

Good quality, strong magnets! Kids (3yo. to 6yo.) in my Kindergarden group where i am working love to play around with it! A little bit too expensive I think! Be carefull, the Magnets are really strong. They snap together and the skin of littlt kids can be hurt!

Good quality, strong magnets! Kids (3yo. to 6yo.) in my Kindergarden group where i am working love to play around with it! A little bit too expensive I think! Be carefull, the Magnets are really strong. They snap together and the skin of littlt kids can be hurt!

Material incrível. Entrega rápida!

Amazing stuff. Fast delivery!

Material incrível. Entrega rápida!

Быстрая доставка. Хороший товар.

Быстрая доставка. Хороший товар.

Быстрая доставка. Хороший товар.

Package arrived in very good condition (although it took a month). it's as shown in the pictures. Unique collectible

Package arrived in very good condition (although it took a month). it's as shown in the pictures. Unique collectible

Package arrived in very good condition (although it took a month). it's as shown in the pictures. Unique collectible