This is a bubble hourglass. It really tells time with bubbles instead of sand The Awaglass change with minuscule pebbles with fizzy bubbles that move upward through with different velocity.. Dissimilar to sandglass, Use for marking the passing of intervals.the meaning of Awaglass is uncertain them. Instead, you’ll get lost in its sustained, fluid m0tion and remain in the present not fixated on what you have to achieve about an hour from now.