as other surfaces may fade using these sponges

or backpack

Cannot hang on built-in refrigerators

The Fimo rolling pin is Ø25 mm

der kan tændes og slukkes med et snuptag

Ferrofluid - Magnetvæske til eksperimenter (10 ml.) Auto-translated (SE) as other surfaces may fadeFerrofluid 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