[2] The following year, he introduced his Ball Chair, a hollow sphere on a stand, open on one side to allow a person to sit within.

[3] The Ball Chair was introduced to the international public at the Asko stand at the Cologne furniture fair in 1966.

Aarnio's designs were an important aspect of 1960s popular culture, and could often be seen as part of sets in period science-fiction films.

He was awarded the Compasso d'Oro in 2008 for a design called Trioli, a combination rocking horse and child-sized chair which is part of a collection for Magis.

[8] In Tite Kubo's manga series Bleach, the character Aaroniero Arruruerie is named after Eero Aarnio.