Rainy-day creation is a term used to describe activities that can be done on a rainy day. PUDDLE is one of the solutions to this crossword, with 6 letters. PUDDLE is a small body of water that forms on the ground when it rains. It is usually shallow and can be found in many places, such as puddles in the street after a heavy rain. Puddles are often seen as a fun activity for children, as they can splash around in them or even make boats out of leaves and twigs.