The magnet it a booster. You earn it like the snowflakes and extra time. You choose the magnet before you start a round. When your round start a large magnet enters the screen and takes away some of the items to match. I don’t know how many it takes away, but it seems to help.
Comment found on Match 3D: How do you use the...
How come sometimes when I try to use the magnet booster it doesn’t come out and take the matches away, but takes one magnet away from my total.
Comment found on Match 3D: Magnet booster