Quote from instruction booklet (1976): "America has finally made the commitment to change its weights and measurement system from the Anglo-American system, which we now use, to the metric system." Contents (from box lid): 1 instruction sheet 1 reference booklet 50 playing cards 9 game boards 60 miniature metric rulers Gameplay: One person is selected to be the caller, and takes charge of the deck of cards. The rest of the players get different game boards depicting 9 objects or people and corresponding US measurements such as "7oz bottle of soda". The caller reads off a metric measurement, and then players say if they believe they have the matching US measurement depicted on their card, they get to cover that picture with a miniature metric ruler. The first player to cover all of the pictures on their cards wins the game. If answers are disputed, players can refer to the reference book.

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