炮管可以上下旋转和左右旋转。
The gun can rotate up and down as well as left and right.
用其他材料作为炮管,文件里包括直径5mm筷子和牙签的方案。也可以考虑用吸管、纸筒作为炮管材料。
Using other materials as gun barrels, the file includes a plan for chopsticks and toothpicks. Straws and paper tubes can also be considered as barrel materials.
大型手持式,用燃放后的彩珠筒作炮管的方案:
The Large handheld type, using used-fireworks as barrels:
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