
A rolling ball sculpture (sometimes referred to as a marble run, ball run, gravitram, ''kugelbahn'' (German: 'ball track'), or rolling ball machine) is a form of
kinetic art – an art form that contains moving pieces – that specifically involves one or more rolling balls.
A version where
marble
Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble is typically not foliated (layered), although there are exceptions. In geology, the term ''marble'' refers to metamorpho ...
s compete in a race to win is called a marble race.
Toys
People make toys out of Rolling ball sculptures.
World records

The tallest rolling ball sculpture in the world, at tall, is named the ''Energy Machine'', and located in the
Hong Kong Science Museum
The Hong Kong Science Museum is a science museum in Tsim Sha Tsui East, Kowloon, Hong Kong, located next to the Hong Kong Museum of History.
History
The Hong Kong Science Museum was first conceived by the Urban Council in 1976. The council hi ...
in
Hong Kong
Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delta i ...
.
[Knikkers, Jelle (October 28, 2015]
"Marble Run Records"
''Jelle's Marble Runs'' Accessed:December 31, 2019
See also
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George Rhoads
George Rhoads (January 27, 1926 – July 9, 2021) was a contemporary American painter, sculptor, and origami master. He was best known for his whimsical audiokinetic sculptures in airports, science museums, shopping malls, children's hospitals, ...
David Morrell (sculptor)Matthew Gaulden*
Rube Goldberg machine
A Rube Goldberg machine, named after American cartoonist Rube Goldberg, is a chain reaction-type machine or contraption intentionally designed to perform a simple task in an indirect and (impractically) overly complicated way. Usually, these machi ...
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Bruce Gray (sculptor)
Bruce Gray (born November 14, 1956 Orange, New Jersey, died June 8, 2019 Los Angeles, California) was an artist residing in Los Angeles. His work includes kinetic art such as rolling ball machines, mobiles, stabiles, and suspended magnetic ...
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Perplexus
Perplexus is a 3-D ball-in-a-maze puzzle or labyrinth game enclosed in a transparent plastic sphere. By twisting and turning the sphere, players attempt to maneuver a small steel ball through an intricate maze composed of a number of steps (va ...
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Rolling ball clock
A rolling ball clock is a clock which displays time by means of balls and rails.
History
The rolling ball clock was invented by Harley Mayenschein in the 1970s. He patented the design and founded Idle Tyme Corporation in 1978, which manufactured ...
References
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Modern art
Types of sculpture
Kinetic art