e/Step bell

Information
has gloss	eng: Step bells are a type of inclined metallophone, usually arranged in a C major scale, commonly used in music education. Arranged that the bars ascend in elevation along with their pitch, step bells are frequently used to explain musical directionality and intervals.
lexicalization	eng: Step bell
instance of	(noun) United States inventor (born in Scotland) of the telephone (1847-1922) Alexander Graham Bell, Alexander Bell, Bell