I was looking for a unique mouse on the internet, and it doesn’t seem to exist.  It’s probably something easy to manufacturer, and will brighten up your day for sure.  On the top of the mouse, surrounding the entire body, including the mouse buttons, and except for the base of the mouse is a soft jell layer, soft to the tough, and contains silicone.  Within the silicone are diffused LED lights, which are grouped in several colors, such as Blue, Red, Green, and White, or clear. Under the mouse contains the sensor for the mouse movement as well a micro switch, which has 6 settings.  5 of the settings on the switch corresponds to a color, and when selected, light up the jell with that color.  The 6th setting is custom, which corresponds to the operating system driver for the USB or Bluetooth mouse.  On your computer, there is a light weight application that allows you to select one of several designs or create your own, for example, you could select the pattern which is a rolling wave of lights, or a mixture of colors.  The mouse application allows you to select each LED to turn the color on or off, or you could lasso multiple pixels for a quick design.  The user may create a static image, or create N static pictures to play in a slideshow, dynamic sequence, like the wave of colors I mentioned. The other optimization I thought of is to integrate the lights to listen to your sound output, and act just like an equalizer, such as iTunes, and have the mouse react to the music, either in a random sequence, or flash up and down to the beat of the music, using the setting for custom.

Someone build it please, sounds cool.   If you see something out there like that, please tell me, and happy to post a link to the readers.