Its a nice kit. Thats the HGUC 1/144 Char's Zgok. Its not a bad kit for it's age.
You did a nice job though you didnt paint the mono eye.
http://www.gundamstoreandmore.com/ban922718.html
would be my suggestion to you if you want to do another. Good kit, larger more room for detailing.
MAJ, your son probably gave you one of those OLD gundam wing kits. They were not high quality, more like toys for kids to put together and play with.
There is a new version of that death scythe design that just came out, here. http://www.gundamstoreandmore.com/ban964564.html