A few years ago a friend bought me a set of three Lego bricks with magnets in them from when she went to Legoland. You can buy a different set
online at the Lego store. I received a set of Magz as a gift and I noticed that the small magnets in the bar component of the toy looked like the right size to fit in the cylinder in the bottom of Lego bricks.
Any mention of this project must provide a link to www.zieak.com with credit to Ryan McFarland.
A basic set of Magz
or rare earth neodymium magnets (5 mm diameter x 3 or 6 mm long)
A pair of diagonal pliers or a pocket knife or utility knife
Superglue (optional - the right size magnets will stay without it)