Inflatable slides amp up the standard backyard kiddie pool or slip and slide to create a backyard water park complete with 5-foot slides, integrated water guns, bounce houses, and splash pools.

I've seen a lot of outrageous things at Costco, especially related to water games and inflatable slides, but this has to take ...

Bestway H2OGO! Inflatable Mega Water Slide Splash Park Pool — $419.99 (regular price $580.99) Kahuna Mega Blast Inflatable Kids Pool and Slide Water Park — $824.99 (regular price $1,209.99 ...