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Angel annulus / toy

Angel annulus

Balloons are easy to burst because children cannot bring the status of balloons under
control while blowing balloons, so children always get scared or hurt and fear balloons.
At the bottom of “xx” balloon, a white protective ring is used to remind children of the
status of balloons.As the balloon gets bigger, the white ring fades with the expansion of
the balloon and it becomes a part of the balloon when the balloon saturates to prevent
children from further blowing.


Nanchang University

Nanchang University
NanChang, China