Mochi Mochi Hamster Collection

Mochi Mochi Hamster Collection One Piece (もちもちハムスターコレクション　ONE PIECE) is a plush line produced by Broccoli. It depicts One Piece characters as hamsters. The plushies are roughly 17 cm tall and 14 cm wide, and they cost ¥2,200 each.

Volume 1
The first set of plushies was announced May 28, 2018 and released August 11, 2018. It included five plushies:
 * Luffy
 * Zoro
 * Sanji
 * Sabo
 * Law

Volume 2
The second set of plushies was announced November 12, 2018. They were released in the Mugiwara Stores February 9, 2019 and for wider sale February 23. It includes two plushies:
 * Ace
 * Marco

Trading Acrylic Badges
A set of acrylic badges based on the Mochi Mochi Hamster plushies was announced February 25, 2019 and released March 23, 2019. They cost 493 yen each.

Keychains
A set of acrylic keychains with charms was announced July 29, 2019. They were sold for a limited time only in Marui stores across Japan from August 9 to September 1, 2019.