Like artists Piero Manzoni, Yayoi Kusama, and later Jean-Michel Basquiat, Wiegman was represented by the renowned Gallery Delta in the Netherlands.
The museums permanent collection includes works by Karel Appel, Alexander Calder, Buckminster Fuller, Yves Klein, Yayoi Kusama, Surasi Kusolwong, Aiko Miyawaki, Yasumasa Morimura, Daisuke Nakayama, Maruyama Ōkyo, Jackson Pollock, George Rickey, Mark Rothko, Cindy Sherman, Hiroshi Sugimoto, Jason Teraoka, Zhou Tiehai, Lee U-Fan, Andy Warhol, and Miwa Yanagi.
Artists from 21 countries participated with fifty-eight sculptures from various artists like Anthony Caro, Jean Tinguely, Anthony Gormley, Marcel Pinas, Salvador Dalí, Ryas Komu, Lu Shengzhong, Eko Prawoto, Thomas Houseago, Jaume Plensa, Atelier van Lieshout, Subodh Gupta, Yayoi Kusama, Jean Dubuffet, Rodin, Dennis Oppenheim, Ugo Rondinone, Joost Conijn etc.