The Waterfall Slide is a funhouse that costs 200 Bling and gives a reward of 35,000 Kibble. In addition, there are ... tappable areas on this funhouse, each of which give up to ... Kibble when tapped.
Within this theme there is a collector play set that was released in 1996 called 'Magic Waterfall Pets'. It was an aqua waterfall with a pool on top and a hidden room behind the waterfall. 
Pets who asks for a Waterfall Slide Edit
Quest for which you have to buy this funhouse Edit
- ↑ Littlest Pet Shop Collector http://www.vintagelpscollector.com/Collections/dazzling_magicalhideaway.htm