Visitors explore the Sky Castle, an interactive sound and light installation featuring huge inflatable arches at the Spectra festival (Jane Barlow/PA) A giant inflatable castle and a huge ...

A giant inflatable castle and a huge illuminated slinky spring ... where the sound and light change as visitors walk through a series of inflatable arches, plus an interactive neon colouring wall by ...

A giant inflatable castle and a huge illuminated ... where the sound and light change as visitors walk through a series of inflatable arches, plus an interactive neon colouring wall by Scottish ...

where the sound and light change as visitors walk through a series of inflatable arches, plus an interactive neon colouring wall by Scottish illustrator Johanna Basford. End Over End, created by ...