Curlybot. - Phil Frei; Victor Su; Hiroshi Ishii 001 (SIGGRAPH Abstracts and Applications, 1999)

curlybot: designing a new class of computational toys. - Phil Frei; Victor Su; Bakhtiar Mikhak; Hiroshi Ishii 001 (CHI, 2000)

Pinwheels: visualizing information flow in an architectural space. - Hiroshi Ishii 001; Sandia Ren; Phil Frei (CHI Extended Abstracts, 2001)