Here is another solved puzzle ,  and here is a description of the rules together with a very easy worked example.

A great way to learn to play Magnets is to use physical pieces, as shown in the photo.

Here are:

• A description of what’s needed
• A set of easy puzzles (and solutions )
• A set of medium puzzles (and solutions )
• A set of more difficult puzzles (and solutions )

If you would like examples of some useful types of logic, here is a step-by-step solution for an easy puzzle and one for a medium puzzle .

Here is a selection of pencil-and-paper puzzles, 30 of each:

• 6x5 easy , medium , and harder
• 7x7 medium
• 8x7 medium
• 10x9 medium and harder

And you can always play on-line at Simon Tatham’s Portable Puzzles .

• puzzles