Green, the color of nature is relaxing, fashionable and beautiful. It creates a calm and cozy décor. The colors green and white also have religious connotations. They signify the hope we have for eternal life offered by Jesus.
lighthouse - could be used for imaginary play-- "steering the boats"-- one child is the boat, the others are the lighthouses, work together to get the boat from one end of the room to the other! Use two plastic cups and an electric tea light.