My honest suggestion...don't spend money on toys! Give him rolled up bits of paper, bottle tops, etc. Make your own toys for him and then you save money! We made our cats a huge box full of screwed up bits of paper, and threw treats in for them to find...kept them entertained for days!
You know, He likes that kinda thing more than anything. He does love those fur covered mice too. They only last about 10 minutes though LOL !!!