これなんなん？コラボ商品？

https://page.auctions.yahoo.co.jp/jp/auction/t545666999
https://rakuma.rakuten.co.jp/item/f8087682711554997804
https://rakuma.rakuten.co.jp/item/f3176594982049367488
https://rakuma.rakuten.co.jp/item/f6019798389050620658
https://rakuma.rakuten.co.jp/item/f7247237967295856533
https://item.fril.jp/62115ea50f963ba6314da8c98181439d
https://page.auctions.yahoo.co.jp/jp/auction/f246898506
https://page.auctions.yahoo.co.jp/jp/auction/f246957779
https://page.auctions.yahoo.co.jp/jp/auction/t545935200