Robin went to the library. I read to him.
Including a book about King Arthur.
He experimented with a Sterling Engine, and watched several videos from a guy named Grant Thompson: http://www.youtube.com/watch?v=XFw7U7V1Hok is the one we started with. We also FINALLY got goldfish. We were given a tank almost a year ago and never got it set up. Welcome, Cutlass, Goldie, and Flower to the family!