The Math game for thinkers WFF 'N Proof Equations The Game Creative Mathematics Layman E. Allen Wood Dice early technology advertising hand out freebie. Original box has a few scratches and I’ve left it as is as found… see the old foam in dusty condition. Read the insert letter to see the creative advertising techniques used for selling resistors. Please see photos for details and let me know if you have any questions. Thanks for bidding! V-3
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