Oh! The Lucky Poo

ThinkGeek Explains
"the kanji for "lucky" in Japan is very similar to the shortened form of the Japanese word for "poo." Hence the brilliant Japanese played with the pun and the Lucky Golden Poo was um..born."
And
Alice Gordenker Explains in The Japan Times the long history of poo related worship and how the golden lucky poo originated.
My son brought these stickers back from Japan and I