Get ready for carolers with a holiday xylophone you can make yourself! 🎼 Learn how below 👇 🎼What you need: Glasses Water Food coloring (optional) 🎼How to make a xylophone at home: Fill each glass with a different amount of water. Hit them with a spoon to hear different notes, or use a phone tuning app to make it easier. Adjust the water amounts as needed, then have fun! 🎼What’s going on? When you tap the glass with a spoon, it creates a vibration. This vibration passes through the water in the glass and all the way to your ear, where it is interpreted by your brain as sound. When the vibration passes through more water, the waves are less frequent, and you hear a lower-pitched sound. When passing through less water, the waves are more frequent, and a higher-pitched sound is heard!