A second Needle Tower was completed in 1968, Needle Tower II, and was acquired by the Kröller-Müller Museum in 1971, the piece resides in the museum's sculpture garden.
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Kröller-Müller also collected works by modern artists, such as Picasso, Georges Braque, Jean Metzinger, Albert Gleizes, Fernand Léger, Diego Rivera, Juan Gris, Piet Mondrian, Gino Severini, Joseph Csaky, Auguste Herbin, Georges Valmier, María Blanchard, Léopold Survage and Tobeen.
The Kröller-Müller Museum houses the art collection of the Kröller-Müller couple and includes numerous important works by artists such as Vincent van Gogh, Pablo Picasso, Odilon Redon, Georges-Pierre Seurat, Auguste Rodin and Piet Mondrian among others.