The red ones are generally all the same.
Get one that uses AAA batteries or that $3 button cell laser will turn into a $30 laser pretty quick.
 Blue and green lasers cost a lot more.

Ode

At 08:12 AM 12/20/2005 -0800, you wrote:

I just found out laser pointers come in different colors. Which should I buy? Also, are the $3 ones the same as the $30 ones as far as the light?
                                                         Thanks, Pat

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