The Banzai The Plunge Water Slide with 12' Splash Pool drops from $499 to $349 with free shipping at Walmart.com. We couldn't find it anywhere else for less than $558 (compare at Amazon). This huge 9'6" tall water slide includes a detachable spraying hose and soft-bottom landing pad and is attached to a 12' diameter inflatable splash pool. Adult assembly takes approximately 15 minutes with the included continuous airflow blower and ground stakes. A 60-day warranty is included. Walmart also has rollback pricing on 4 other Banzai inflatable water parks. Sales tax is charged in most states.