汕头市庄氏星光玻璃彩珠厂有限公司
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1. The appearance of the dolphin is cute and interesting.
2. How to use: 1. Connect the balloon cart 2. Install the balloon 3. Pump up and down to launch 4. The air nozzle can be installed separately.
3. Physics early education knowledge: the balloon is too big, it is easy to be overpowered, causing the wheels to slip, and running slowly.