Hi Kristle,
Attending a cocktail dinner at
Disney's Contemporary Resort sounds wonderful! This is such a beautiful and modern resort; I am sure that it will be a lovely event.
Walt Disney World does offer
Children's Activity Centers. These are located at Disney's Polynesian Village Resort, Disney's Beach Club Resort, Disney's Animal Kingdom Lodge, and the Walt Disney World Dolphin Hotel. The closest of these to Disney's Contemporary Resort is Disney's Polynesian Village Resort, which is a quick monorail ride away. The Children's Activity Center there is Lilo's Playhouse. My daughter has been there many times, and has always enjoyed the fun activities there while we enjoy an adult night out! See the link that I provided for more information including how to make reservations.
Please do note that these clubs are for children 3 to 12 years old (4 to 12 years old for the Walt Disney World Dolphin Hotel). If your little one is younger, you may want to consider in-room babysitting as a
childcare service. To look into this service, visit kidsniteout.com. I also used this service when my daughter was very young, and she always enjoyed the babysitters, who would bring bags of toys, activities, and crafts catered to her liking.
I hope that these thoughts are helpful for you, Kristle. Please do let us know if you have any further questions.