Marble (toy) individual artists such as Josh Simpson. Art marbles are usually around 50mm marble (a size also known as a "toe breaker"), but can vary, depending on the artist and the print. Marble (toy) A marble is a small spherical toy often made from glass, clay, steel, plastic or agate. These balls vary in size. Most commonly, they are about in diameter, but they may range from less than to over , while some art glass marbles for display purposes are over wide. Marbles can be used for a variety of games called marbles. They are often collected, both for nostalgia
Liquid marbles remain stable on solid and liquid surfaces. Statics and dynamics of rolling and bouncing of liquid marbles were reported. Liquid marbles coated with poly-disperse and mono-disperse particles have been reported. Liquid marbles are not hermetically coated by solid particles but connected to the gaseous phase. Kinetics of the evaporation of liquid marbles has been investigated. Liquid marbles were first reported by P. Aussillous and D. Quere in 2001, who described a new method to construct portable water droplets in the atmospheric environment with hydrophobic coating on their surface to prevent the contact between water and the solid ground (Figure 1).