Can be used outdoors and on round surfaces

that is magnetic

as other surfaces may fade using these sponges

PLEASE NOTE: Avoid eating magnets

Som regel er 5 knapper rigeligt til en standard jakke eller skjorte

Ferrofluid - Magnetvæske til eksperimenter (10 ml.) Auto-translated (SE) Can be used outdoors andFerrofluid is a ferromagnetic liquid that creates the most beautiful patterns when poured on top of a magnet. Contents: 10 ml bottle. NOTE! Remember to use a thick piece of glass or similar between magnet and ferrofluid so you can reuse the fluid! The liquid contains small ferromagnetic particles (magnetite) that are so small that they cannot be seen with the naked eye (a few nanometers in size). The particles make the liquid react strongly to