There are many parts to a mouse including the roller. The roller functions to move the arrow on the screen.
what is roller ball mouse
What is the basic function of a computer mouse
shoot the green target
Meals on wheels
Normally the roller pins behind the ball wears out.
There doesn't appear to be anything called the "Mickey Mouse Roller Coaster", there is the Gadget's Go Gadget Coaster in Mickey's Toontown at Disneyland but the weight of the coaster is unknown.
Function of mouse
If this is your first computer the mouse looks different
Normally the roller pins behind the ball wears out.
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