Densetsu no Starfy Memo
From Starfy Wiki
The Densetsu no Starfy Memo was produced by Showa Note. It contains 60 120×100 pieces of paper with artwork of Starfy performing the Spin Jump and characters from Densetsu no Starfy on the front cover. It was sold on November 20, 2002 for 200 yen (excluding tax) and is now discontinued.
This was one of various official merchandise used to promote Densetsu no Starfy as listed on the official mini-site's Goods section.