Ravensburger Unicorns at the River Starline Puzzle 500pcRavensburger Unicorns at the River Starline Puzzle 500pc Glows in the Dark! When the lights go out, your puzzle glows on! Sar Line Puzzle images become magical attractions in the dark, as special luminous inks allow some parts of the picture to shine for hours. At night youll see your puzzle in an enchantingly different light. Specifics: Box Size: 34 x 23 x 4 cm Finished Size: 49 x 36 cm Piece Count: 500 pieces Ravensburger puzzles are designed to be