Inventor Katsumoto Yuichiro has created two different shape-shifting kinetic robots that move rather humorously. One is a cube that constantly folds into itself, using telescoping arms to turn itself inside out. The other is a triangle that rather vigorously turns itself upside down and onto its head.
— KATSUMOTO Yuichiro (@katsumoto_y) July 23, 2020
via The Awesomer