The One Piece DeQue figure series were several sets issued only in Japan by Unifive during 2002 and in early 2003. It has spanned through 4 waves, 3 regular waves of about 14 figures and 2-3 secret figures each, and a special wave named ～Episode Memories～. Figures were sold at about ¥100 each. The characteristics of this series were that figurines were only 6 cm tall and were designed to work with building block sets, for instance Lego, Bandai's Mega Bloks and the likes. Figurines had special accessories and a base. The secret figures were called Mysteries in promotional materials.