How to make your own outdoor xylophone from Simple and Joyful: Music Outside
http://adventurouschild.com/chime-panel.php This musical playground equipment is the Chime Panel. The Chime Panel has a full scale of eight notes that allow children and adults to play a song and sing along. Children can hear contrasting sounds as they hit each note. The Chime Panel can be left outdoors in all types of weather.