Welcome to Mayumi

Features a beautiful form. I feel the flow of time with sand. 3 minutes total.
Fun Science
Hourglass Float 3 minutes clear

The Fun Science series is a series where you can enjoy mysterious chemical changes and phenomena as interiors.
When the glass tube is reversed, the hourglass inside the liquid moves slowly.
A unique hourglass with a sense of elegance that combines interior and practicality.

Product size: Height 200 x Width 55 x Depth 55mm
Material: Borosilicate glass, sand (glass beads), MDF, etc.
In a tea cardboard box