一个趣味磁铁系列。各种各样的磁铁把戏会让你的朋友都感到惊
奇的，制作面具和电磁体。观察并感受磁力，制作指南针和磁性
桌面足球等。
A fun magnet series. A variety of magnet tricks will surprise your friends, making masks and electromagnets. Observe and feel the magnetic force to make a compass and magnetic table soccer.
