If you've tried playing Pelmanism with young children you'll know that memory starts deteriorating before you reach the age of 20. So perhaps it is OK. Pelmani

If you've tried playing Pelmanism with young children you'll know that memory starts deteriorating before you reach the age of 20. So perhaps it is OK. Pelmanism: https://en.wikipedia.org/wiki/Concentration_(card_game) https://en.wikipedia.org/wiki/Concentration_(card_game)