CREATIVE LIQUID QUICKSAND PAINTING ART HOURGLASS

as the Temperature & Pressure Change, Sometimes You Need to Adjust the Air & Water Inside the Quicksand Painting. Air Conditioner is Included in the Package. Quicksand Painting is a Natural Balance of Water, Sand & Air. When the Quicksand is Falling Too Slowly, You Can Take Some Air Out, & When It is Falling Too Fast, You Can Add Some Air.

Product Ref: SC00526687