This is kinda fun...

The automobile driving manual says the average driver's reaction time is: .75 seconds...... or 1 car length for every 10 mph...... Test your average reaction time.
Be very careful this can be addicting. Click on the link below and good luck.

copy and paste below this is fun once you do press games then paste again

http://www.bbc.co.uk/science/humanbody/sleep/sheep/reaction_version5.swf