Here is my girlfriend in front of the biggest しゃもじ in the world:
If you ever go to 宮島, you’ll see those wooden rice paddles everywhere. They are used to scoop the rice out of the rice cooker, at least before the wooden type was replaced by newer plastic, non-sticky ones.
Souvenir shops sell big lacquered and engraved versions as a goodluck charm since anything can be turned in a lucky charm here in Japan. I guess one of the store owner wanted to be very lucky so he made that giant one and displayed it in the street.