Abstract: A magnetic collecting piece game device, comprising: a plurality of metallic pieces (200) which comprises a metal plane which can be magnetically attracted, the metallic pieces (200) are divided into a plurality of areas, each of the plurality of areas is marked with a corresponding data value; a magnetic main piece (100) which attracts the metallic pieces (200), the magnetic main piece (100) is provided with a data disk (120) marked with a plurality of data values, and a magnetic sensing pad (108); when hit, the magnetic sensing pad (108) enables the data disk (120) to rotate for a predetermined angle so that to change the data value shown by the data disk (120); a rope which can automatically retract or is elastic is tied to the magnetic main piece (120). The magnetic collecting piece game device provides increased fun and interest for players.