2024

Sisyphus    (9 foot diameter)

Jackson School of Geologic Sciences University of Texas at Austin


2023

Sisyphus    (2 meter diameter)

Teknisk Science Centre Olso, Norway


2015

Sisyphus    (3 meter diameter)

phaeno Science Center    Wolfsburg, Germany


2013

Ribbon Dancer
Questacon  National Science and Technology Centre    Canberra, Australia

Sisyphus     (2.5 meter diameter)
Questacon  National Science and Technology Centre    Canberra, Australia 


2010

Pipedream V
Copernicus Science Centre     Warsaw, Poland


2009

Pipedream IV     (96 tubes)
Discovery World    Milwaukee, Wisconsin


2006

Pipedream III     (96 tubes)
Ontario Science Centre    Toronto, Canada

Ribbon Dancer
Science Center of Iowa  Des Moines, Iowa


2003

Sisyphus III     (3 meter diameter)
Technorama     Winterthur, Switzerland

2000

Pipedream II     (32 tubes, colored)
 Science Station    Cedar Rapids, Iowa 

1999

Pipedream I       (16 tubes)
Science Museum of Minnesota