Okiagari-koboshi means literally "getting-up little priest". It's a traditional Japanese roly-poly doll made from papier-mâché and designed so that its weight causes it to return to an upright position when knocked over. Okiagari-koboshi have been part of Japanese children's toys for a very long time.
Kuebiko the scarecrow is a Japanese character venerated in the Shintoist mythology. He cannot walk and he is believed to be omniscient because he spends the whole day outside; he represents knowledge, studies and wisdom.