| 摘要 |
The present invention provides a balloon bulb design, which includes a LED disposed at an end of a cylinder, and then inserts the cylinder in the mouth of a balloon and tightens the junction between the mouth of the balloon and the cylinder. Another end of the cylinder, via which, the user can blow the balloon up, so as to create a balloon bulb. The cylinder is equipped with battery and provided with a knob at the bottom thereof. When rotating the knob to make the battery contact the LED, the LED will light. Thus, the balloon can emit colorful lights and it will be very nice looking at night.
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