BIGtrack trackball is a very big, easy-to-use trackball-style mouse.
Features a 3-inch yellow ball and has two blue buttons (for left and right mouse clicks) located behind the trackball to avoid unwanted clicks.
Compatible with a Windows or Macintosh computer that has a USB or PS/2 port
Can be hooked up with a conventional mouse on the same computer
Great for kids, and for adults with mobility or fine motor limitations.
Color: White casing with yellow and blue balls
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