Keep away from children; Do not put magnets in mouth or nose; Swallowed magnets can stick to intestines causing serious injury or death; Seek immediate medical attention if magnets are swallowed or inhaled.
For ages 17+、 not a toy
Desktop boredom buster for science-based amusements
Use the magnets to move the ferrofluid around and observe its behavior
Utterly attractive and awesome
Dimensions: 2.36 in x 0.87 in x 0.87 in (6.0 cm x 2.2 cm x 2.2 cm) Weight: 0.42 oz (12 g)