1. Multidimensional Reality: #2 Positive or Negative? Choosing your own reality, Mixed Media, H X W X D: 59 X 58 X 15 CM / 23 X 23 X 6 IN. US$3,800   2. Multidimensional Reality: #9 Perspectivism is one point of view, Mixed Media, H X W X D: 56 X 25 X 23 CM / 22 X 10 X 9 IN. us$3,600   3. Multidimensional Reality: #4 The "brain in a vat" fantasy, Mixed Media, H X W X D: 5 X 7,5 X 7,5 M / 2 X 3 X 3 ft, US$10,000   4. Multidimensional Reality: #6 Telefiction *instruction manual supplied by ACME", Mixed Media, H X W X D: 7,5 X 6,5 X 7,5 M / 3 X 2.5 X 3 ft, US$12,000