1. About the size of SSR and OKW main pool.
2. yes, it has a zero entry.
3. Its about the same length of the slide at SSR, a little longer.
4. The interactive water play area is awesome. There is a little wading pool 6-8" deep, bucket drops, water cannons, motion activate sprayers...best of all the resorts.
5. I believe they will be quite happy at the Kidani pool area for hours.