Although some may disagree with my answer you could get a good start up
Refractor or
Reflector from Dick Smith electronics. Basic YES but lets not scare him to death with a hi tech scope for some one so young.
Also you will have some change to buy him a cake!
Lastly a mine field is postage to WA. Aussie post wont deliver anything over 20 kg or 140cm girth. ($$$)