This is probably the nearest to your budget for 'non-toy' rc car that has spares back up & can be upgraded if a youngster wants to race it at their local club:
http://www.modelsport.co.uk/index.ph...FasEwwodaYkAiA
And this is probably better value, a race spec car but obviously a bit more money:
http://www.rccarshop.co.uk/index.php...y-rtr-red.html
Of course, there are plenty in your price range such as:
http://www.rccarshop.co.uk/index.php...ric-buggy.html