Jet loves, loves, loves the sand game. He'll contemplate a move, and make it and watch the sand accumulate and then make other walls and just watch it flow and flow. It was funny seeing a five-year-old eating his breakfast before my cold, dead laptop, waiting for me to wake up so that I could log in to let him use the game. It's amazing to see how patient he is about it, too. Like watching a Zen gardener with a rake, contemplate his garden before setting anything to it.