Gyroscopes...questions!

I was browsing an antique shop and came across a plastic framed, heavily rim-weighted gyroscope and couldn’t resist picking it up. It only set me back $8.50. A quick google shows me that it is a “Space Wonder” gyro, made in Italy and has the name “Navir” printed/molded into the plastic frame. Anyone know much about these? I’ll post pix of it when I get home.

I do know that they look far superior to the Duncan gyros, in which I have one (My Duncan’s flywheel slips on the post, and doesn’t have the nice metal tips like this).

Also, while I’m at it, anyone know any good trick resources? I’m sure it may have similar tricks to the spin tops.

UPDATE: Pix!
http://sphotos-b.xx.fbcdn.net/hphotos-snc7/382876_2588882697289_691349038_n.jpg

http://sphotos-b.xx.fbcdn.net/hphotos-prn1/12624_2589457751665_1936961138_n.jpg
Spinning it on my Blizzard spin top.