Costco has H2OGO Underwater Oasis Spray Pool for $19.97 with Free S&H.
H2OGO! Round Inflatable Underwater Oasis Pool 8' x 24"
* Tritech Enhanced 3-Ply Liner
* 3 Easy Steps to Setup Pool
* Inflatable PVC Top Ring Supports Pool Liner
* Built-In Dolphin Sprayer
* Water Capacity: 497 Gallons