It bought at Narita airport.
Narita-city promoting character Unari-kun.
Pls click below as other airport ;
新千歳空港 Shin Chitose airport : http://blog.goo.ne.jp/mittchan_january/d/20141207
函館空港 Hakodate airport : http://blog.goo.ne.jp/mittchan_january/d/20141214
仙台空港 Sendai-airport : https://blog.goo.ne.jp/mittchan_january/d/20081031
成田空港 Shin Tokyo (Narita) Airport : http://blog.goo.ne.jp/mittchan_january/d/20141130
成田空港 Shin-Tokyo (Narita) Airport 2006 : https://blog.goo.ne.jp/mittchan_january/d/20180304
成田空港 Shin-Tokyo (Narita) Airport 2010 : https://blog.goo.ne.jp/mittchan_january/d/20180306
羽田空港 Tokyo (Haneda) Airport 2010 https://blog.goo.ne.jp/mittchan_january/d/20180309
伊丹と関空 Osaka(Itami & Kansai) Airport: https://blog.goo.ne.jp/mittchan_january/d/20080322
神戸空港 Kobe Airport 2006 :https://blog.goo.ne.jp/mittchan_january/d/20071103
神戸空港 Kobe Airport 2012 : http://blog.goo.ne.jp/mittchan_january/d/20150418
全日空 ANA vol.2 : https://blog.goo.ne.jp/mittchan_january/d/20070901
Tq