Other than installing computers, pulling the fibre optic cable, connecting the network, etc., we were also spending a lot of time singing with the kids, teaching them how to use the computers to edit photographs, showing them fun but healthy computer games, showing a movie about Jesus, teaching them arts and crafts, playing games with them, and simply talking with them.
It was a lot of fun, and also a lot of work. Most of the kids were well-behaved. But there are also some who got bored and ran off, grabbed your camera, climbed all over you, cried when they did not get what they wanted, fought for your attention, and actually fought with each other, ... In other words, they behaved just like kids. The volunteer to kids ratio was about one to seven. Imagine having to take care of seven kids for 12 hours a day all by yourself!
On the other hand, it was also very rewarding when they smiled at you, sat on your lap, hugged you, told you they wanted you to come back, ...
In one of the evenings, we set up a video conference between the kids and the sponsors/donors/volunteers in Hong Kong. The kids loved it. But I suspected the adults in Hong Kong enjoyed it even more.