skitter

From BoardGameGeek:

skitter is a magnetic dexterity boardgame. You flick with metallic rings ("skitts") on three colored, magnetic fields on the other side of the board. The goal is to get points by different kind of rules. The game is versatile, easy rules for kids and very different rules for adults from beginner to pro. You can add playing-cards for strategic or luck variations and play different kind of gameplays.