This item is for spares or repair. The main issue is that the metal tab for the negative side of the battery has broken off. The part at the bottom of the battery tube. There is also the screw missing from the battery cover.  So in short this has not been tested in any way. Please see pictures for a true representation of condition.  Any questions please feel free to ask before purchasing.  Thanks for looking

The Chad Valley Black Hole Slide Projector Set is a vintage toy that features a classic design with a modern twist. With 128 pictures on 8 slides, this boxed set offers hours of entertainment for children and adults alike. Made in the United Kingdom by the reputable brand Chad Valley, this optical toy brings the magic of The Black Hole to life, making it a must-have for fans of the TV and film character. Immerse yourself in the world of vintage and classic toys with this unique and eye-catching projector set.