Where

More horse pellets for Sammy.

One of Slartibartfast's better jokes. (http://tinyurl.com/c2q4eh)

Naomi, draining the water out of the car (note to selfish drivers: position car so driver's side is higher when stopping in water).

Checking the fit of the floorboards - pine tongue and groove. Do Ikea sell treehouses?

The waters were full of fish - constant leaping and splashing.

Not so easy: loose pea gravel throughout.