This theme for Windows 7 from Microsoft, comes with marbles of all sizes and colors! Hand-made marbles, marbles made by a glass-mill some transparent, some in solids and some in bright and aesthetic colors.
These colorful marbles seem less like a game for kids than like small glass sculptures. Ribbons of yellows, blues, oranges, reds, and greens decorate some, and the clear glass showcased in others is a study of light and shadow. Together, they make up a fun, free Windows 7 theme for your desktop.
Download the 8.5 MB theme containing 11 cool wallpapers from Microsoft.
Want just the wallpapers? You will find them in your following folder
C:\Users\Username\AppData\Local\Microsoft\Windows\Themes\Marbles\DesktopBackground
For the trivia lovers, you might be interested in knowing that marbles originated in the Harappan civilization and the oldest marbles were found on an excavation near Mohenjo-Daro.