You can help the LEGO xylophone become official by clicking the “Support Idea” button on the site. And to see how Huang crafted the xylophone without an official set, check out this video.

Xylophone. A xylophone has bars that produce notes when you strike them with a mallet. Xylophones in different forms can be found around the world. - So we want to try to make a xylophone with this?