This set of rulers is designed to combine rulers and compasses with swords. The closed sword can be used as a ruler, and the unfolded sword can be used as a compasses to ascend the handle of the sword. The material is made of soft metal, and the tip of the sword can be rotated to draw a standard perfect circle without replacing the lead core.
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Dangerous 1
What new kind of thing is this?
good special
See you for the first time
Fun