If you are interested showing your kids or to see by yourself some glimpses of african safari without actually going to africa then here is the video for you. Usa city near beppu, kyushu region which comes in south of japan has this facility. You cannot say exact but kind of african safari they have created where you can enjoy free (yes actually free) animals using either by self car or designated bus by safari. Its fun going with self car and enjoy ride as well as view of animals live..first hand..
Do watch for more details.