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You only need 4 matchsticks of equal size to make a square.
To make Roman numerals with matchsticks, you can use the matchsticks as lines and arrange them to represent the different symbols of Roman numerals. For example, one matchstick represents "I," two matchsticks placed side by side represent "II," three matchsticks represent "III," and so on. Use a combination of single matchsticks and different arrangements to create the desired Roman numeral.
Borrowing Matchsticks was created in 1980.
Construct/make a tetrahedron, which is three-dimensional.
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