The recent discussion on boomeranged metaphors reminded me of this 20 pound mouse hand created a some years ago for a Paradise by the laptop light event on Next Nature. The pionter counts 158 LEDs that are programmable per pixel line and was made by: David Menting, Jasper Dekker, Guus Baggermans and Brian Garret.
As seen below, it also serves well during PhD defenses. We are currently working on 200 tonne version at the size of a building.
Related: Boomeranged Metaphors, Foldable Icons, Icon watch, Digital trashcan brought to physical office, Click me, Self control freak.