What common houshold objects weigh a gram?

Hey there. I need to be able to measure grams very precisely for some science experiments I am doing. I don't have an accurate scale, so I am going to make a balancing scale out of knex (not a problem). I just need a object that's very common that weighs a gram. Say a bottle cap weighed a gram, that... show more Hey there.

I need to be able to measure grams very precisely for some science experiments I am doing. I don't have an accurate scale, so I am going to make a balancing scale out of knex (not a problem). I just need a object that's very common that weighs a gram. Say a bottle cap weighed a gram, that would be perfect. I just need a item like that, that is very, very close the being a gram. Thanks very much!
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