Check out the website Yelp. Locate your city and browse for miniature Golf courses. You should be able to find some in your town and you can read reviews.
Miniature golf courses can be anywhere from 50 to 100 yards long.
Bayview Golf Course in Kaneohe reopened it's mini-golf course.
A mini golf course has obstacles and hills and bumps and a traditional golf course has a green and a fairway
You can buy it from Amazon.
It certainly is okay to bring a toddler to a miniature golf course. However, keep a close eye on him so he does not go onto others courses. In fact, you can teach him the aspects of miniature golf.
same as a regular golf course 3 inches across
Depends on the course, but usually 18.
about an acre
at a golf course or at a local park
all holes are 3par