Come and see how many games and secrets there are for children to discover, even in their own backyard or city park. What‘s that on the sidewalk? It‘s dark, it‘s changing, it has a strange shape. It‘s a shadow! Try to find out who or what it belongs to. And when you explore all the shadows, take a good look at this extraordinary shape. Is it really what you think it is, or is someone just playing hide and seek with you?