nightslicer

hi, im new to this forum and im quite young and have no brains about rcing.
i found my really old (about 5 years old) sanwa car. Thats all i know about it.
it used to run fine until i lost the battery. can you help me find out what model it is, what parts i need and where i can get them.

links to some images i took sorry for bad quality
s1081.photobucket.com/albums/j356/nightslicer/
thanks