Operation Christmas Child is not a swap, but is sort of along the same lines, only the package you prepare will go to a child in need in a third world or war torn country. It is a fun way to teach your children about giving to others. My son and I have done it in the past and even though he was pretty young (he was 3 the last time we did one two years ago), he seemed to get the concept of giving to another child who didn't have all the great toys and games that he has.
You can pick the gender and age range of the child you are preparing a box for, and even include a personal note and pictures of your family if you wish. You should be aware that the organization that sponsors this outreach program, Samaritan's Purse, is a religious organization and christian books and/or tracts will be added to your package before it is distributed.
Samaritan's Purse asks that you include a check for $7.00 with each box to help cover the shipping costs.
If you decide to particpate, please feel free to post photos of your packages here on the swap blog and let us know what your family thought of the experience.