Here's the official website. What follows are translations from Google, not the best but you get the gist.
In short, Tokyo Disneyland is having a stamp rally event where when you purchase a total of 1,500 yen on merchandise and food (restrictions apply) you can receive a stamp. Get a stamp on your 3rd, 5th, 7th and 10th stamp card and you'll receive a figure. Collect them all and they form the word "smile". The translation says you'll need be an Annual Passholder or have a 2-year passholder/2-park passholder??? Not sure which of the two it means, it mentions both on the page. Could someone confirm? I'm guessing it's the latter."During the period, stamp rally held for those who come to the at Tokyo Disneyland Annual Passport. Enjoy shopping, dining and collect Lynn original figure! The theme is "SMILE". Disney wants to smile a lot, met fellow wishes are put in Figure line design."
During our first guests in the period on purchases over $ 1, 500 on meals at restaurants and shops in the park (also combined) is available for you to bring your receipt, the first We distribute on card imprint stamp stamps
When your guests in a subsequent period on purchases over $ 1,500 meal at the restaurant and shops in the Park (also combined) is available for you to bring your receipt, enter the current date The seal or stamp one stamp card.
You go for a stamp for each guests, the first co-stamp 3, 5th Turkey 7th copy and get a figure linked to the 10th original copy
Anyway, details aside, it looks pretty sweet! Need to find out more details though, if it's restricted to one a person I might be out of luck.