Magnets - a fascinating experience

First, it's just exciting to see that put on different parts ... then he discovered that they hold together well (planar magnetic) ... and now he's trying to make a variety of things to make - I would build the now but not call.
We will probably have to provide material supplies for Christmas, so that the building may then proceed ...
But for the start (ie now for 3 months) reached this starter set completely.