Eastsheen new product, magnetic cube, can be adhered on any metallic surface.
It is not only suitable for memo clip but you can also solve it for fun.
It is definitely a real challenge!
Specifications: 2.4x2.4x2.4 cm
Unit weight: 11.3 grams
This product has registered patents in many countries and passed the ASTM (U.S.A)and EN71(Europe).