LEGO Red Music Builder Sound Plug with Spring (43737)

Sound Brick Harp/spring
More Colors
Design ID43737
Item No4174212
BOID84387-81
Year2002 - 2003
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LEGO Red Music Builder Sound Plug with Spring has been used in at least 2 LEGO sets over the past 22 years, since it was first used in 2002. It has a design ID of 43737 which can usually be found molded into the bottom of the part.