Mermaid in a flask

In a flask filled with water, a gymnast lives for an hour and performs acrobatics, both under water and on the edge of the flask.
The Little Mermaid always attracts the attention of guests and is a particularly original number at the event.
The flask is easy to install, it takes 2.5-3 hours to set up water.
Dimensions: height 200 cm.
Diameter 130 cm.
Volume 2.6 cubic meters/m.