These Plastic Glowing Stars Are Great For Creating A Magical Room! Easy To Use!Set Of 50 Pieces. Stars Measure Approx. 3Cm. No Batteries Required; They Work By Absorbing Light During The Day Or By Shining A Torch On Them, Or Even Just Leaving Your Bedroom Light On For Awhile, Then At Night Time When Lights Are Off They Will Glow.Available In Four Different Colours, Or A Mixture Of Colours!You Will Receive: 1 X Pack Of 50 Stars