Mentioned by Feeling Vegas
44 Things to Do in Las Vegas for Kids & Families
"Under the big top of Circus Circus at the north end of the Vegas Strip (you can download a free map of the Strip on our site here), you’ll find five acres of indoor amusement park fun, ready for you and your family. Here you’ll find all the rides and games you need to keep your family busy for as long as you want (website)."