Plenty of casinos have child-care facilities. Here's an annotated list of those casinos and their facilities.
MGM Grand -- Youth Activity Center, ages 3-12, five-hour maximum, must be a guest at the hotel.
The Orleans -- Kid's Tyme, 2-1/2 to 12 years, five-hour max, $6 per hour.
Suncoast -- Kid's Tyme, 2-1/2 to 12 years, three-hour max, $6 per hour.
Palms -- Kid's Quest, 3 to 12 years, 5-hour max, $5.75-$6.75 per hour.
Boulder Station -- Kid's Quest, 6 weeks to 12 years, 5-hour max, $6-$7.25 per hour.
Sunset Station -- Kid's Quest, 3 to 12 years, 5-hour max, $5.75-$6.75 per hour.
Texas Station -- Kid's Quest, 3 to 12 years, 5-hour max, $5.75-$6.75 per hour.
Gold Coast -- free babysitting at a small center, 2 through 8, three-hour max per say, parents must stay at the casino.
Hyatt Regency Lake Las Vegas -- Camp Hyatt, 3 to 12 years, 4 hours, $27-$40
Four Seasons -- private in-room nanny service, no min. or max. age (but must be potty trained), 4-hour min., no max, $30 per hour.