We 'd ben there during the last summer holiday. Our friend was driving his own car all the way from HK so transportation was not a problem for us.
As for the park...there are alot to see but as compare to the "zoo" the ticket price is too high. If I remember correctly, the entrance fee is close to the zoo's ticket price. As the zoo has a big variety and facilities, I would say it is much more worthwhile.
Kids would love it. And for those who are interested in reptile will enjoy very much.
For myself, I will not go again. Once is definitely enough.