I think these are a cool novelty, even if they are impractical for use. I own bicycle's plastic playing cards, they are somewhat usable. Anyone know of any other unusual materials that have been used for playing cards? I find this amusing.
http://www.thefancy.com/things/254974920524567073/Wooden-Deck-of-Cards
http://www.thefancy.com/things/254974920524567073/Wooden-Deck-of-Cards