Ferrofluid! Like that in this video: http://www.youtube.com/watch?v=vsQh1AT6qUE

A very cool magnetic putty. Attracted to itself and magnets and metal.

Magnetic telescoping pen - used to pick up small metal things in narrow places.

A pen that seems to float vertically when placed in middle of magnetic circular holder.

(My awesome secret santa knew I liked magnets!!!)