Fill up an air bed - not too hard, not too soft. Put baby on it. See her find her balance. Fun baby movement activities --> http://www.angeliquefelix.com/gallery/baby-play-fun-educational-ideas-for-under-1s-ispirazione-ed-idee-di-gioco-per-bébè-e-mamma
This mask is a bit scary, but make happy masks and use scarves and simple props to wear and play out the main character in a story, or invite the children if they wish to wear a costume and participate as you tell the story.