Fill each glass with a different amount of water. Tap each with a pencil to see what sounds they make. Can you make a tune? Once you’re happy with the sounds each glass makes, put a drop of a different food colouring into each to so that each sound has a different colour. Put them in order from the fullest down to the least full. Can you place a musical scale?
Now play away!
Get your parent to join in and play together!