POP MART The Monsters x Kow Yokoyama Ma.K. Series Blind Box. The first blind box series with Japanese illustrator/visual artist who specializes in mecha-inspired art, plus the notorious Ma.k, KOW YOKOYMA, and Hong Kong’s Kasing Lung the father of Labubu and the Monsters powered by cuteness and POP MART! All heavily armored up with Ma.k suits. Labubu and Tycoco both get powered up in the series with various editions ranging from the classic edition Darksteel and our favorite Corrosion.