The mini-witches work their magical spells every day, yet nothing changes in the forest. Disillusioned and bored, they hang their brooms in the willow trees. But how is it possible that the thumb dwarves living nearby in the forest never seem to be bored? The mini-witches decide to find out... ‘We’re collectors,’ the thumb dwarfs tell them. ‘And when you collect something, you never get bored.’ ‘Something? What sort of things, then?’ ‘Small things. Rare things. Things that are hard to catch...’