Hugh Hefner was said to have owned one with a Tasmanian possum hair cover.

His original prototype featured mattresses filled with starch andJell-O(those early prototypes were failures).

Once filled, the bed becomes a giant water balloon that can weigh up to 1,600 lbs.

Waterbed

This is where the problems came in, and what eventually led to their downfall.

Model of a 1960s VW camper

Flooded bedroom image

Modern-day waterbed