Develops as you play. ]
This multi-functional whistle makes sounds even when blowing or sucking, making it easy to grip with both hands, and shaken when shaken.
You may not be able to make a sound at first, but it will gradually grasp the tricks as you think after play!
When you shake it, you can hear another sound of the beads and enjoy the sound play with your parent.
It can also be used to practice speaking before it comes out
You can also practice drinking straws.
Set Contents: Main unit (1),
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