Percussion musical instrument wood castanets toy

The castanets series toy may train the baby to the sound the sensitivity, guides the child to listen attentively to music the rhythm, and lets them listen while to whip the rhythm. the child had certain response after the sound, may create the condition to let them listen attentively to music melody, and tries to seek for in the melody the rhythm, is whipping with music rhythm, trains the child sense of hearing the sensitivity.