It worked once very well to distract him and keep him cool, when i put him on a helicopter flying pc game on shockwave..
www.shockwave.com
The trouble was , his sister clicked the down button and made his copter fall and crash land in the sea.
Try to distract them
If you are in a situation where you know a tantrum is likely, you may be able to avoid one by distracting your child; e.g. point out the big red sports car in the road, laugh at the funny picture in the shop display or give them their favourite toy to play with.
