Little Brother found a very hairy caterpillar on, of all things, a space hopper in the garden. Luckily he decided to rescue it before bouncing and he ran off to get a bug pot to put it in (I think time spent with Bug mad Girl must be rubbing off). We gave it a selection of leaves and it seems to prefer Dandelion, so it's a new addition to the collection. It'll be interesting to see what it turns out to be.
It's still quite small, so quite hard to tell what it is yet. Maybe a Ruby Tiger moth, but probably something small and brown!