Sculptural installation in Altuglas/plexiglass with light elements. Part of the [[New Tendencies]] movement in [[Zagreb]], [[Ljerka Šibenik|Šibenik]]'s work explores light, transparency, and spatial perception through [[Kinetic Art|kinetic]] and [[Op Art|optical]] effects. Featured in MoMA's Gallery 406 installation; may be a loan from the [[Museum of Contemporary Art, Zagreb]].