Wind-ups toys and solar-powered gifts apart, Xmas brings yet more battery-hungry appliances and toys. Therefore use mains or go for rechargeable appliances where possible, and treat your household to a battery charger or two - preferably one that charges NiMH batteries, these are the least damaging to the environment, and recharge up to 1000 times.
Also educate the children to turn off the toys when they are finished with them. You would be amazed how this simple little bit of education can make toy batteries last a lot longer. In fact even educate them on how to do the recharging as well.
If you feel the urge to go out and shop at Christmas, do consider the alternatives:
But if you must shop, do make sure that: