
Tungsten alloy bifoliate fidget spinner has a wide range of application ages and a large number of potential users. It is a toy widely accepted by consumers. Its structure is not complicated, the main structure is a small bearing, the outer layer connected with the symmetric tungsten alloy material to act as rotating blade, when the rolling of the bearing to achieve rotating effect. Tungsten alloy bifoliate fidget spinner only has one major physical effect, that is, it relies on…