The City on the Edge of Forever 3D Printed Diorama Tribute is a unique and intricate collectible piece inspired by the popular science fiction and horror franchise, Star Trek. This tribute pays homage to the iconic Star Trek series with its detailed design and 3D printing technology, making it a must-have for any Star Trek fan or collector. The diorama captures the essence of the beloved sci-fi universe and is sure to be a standout piece in any collection dedicated to Star Trek memorabilia. Color changing works on three AAA batteries comes with remote control. Thanks for looking.