The Weird World of Archie McPhee Glow Chamber Glow in the Dark 1000 piece Jigsaw Puzzle. Finally a puzzle for the nocturnal!! This glow-in-the-dark puzzle is perfect for insomniacs because you can put it together day or night. It’s a 1000 piece jigsaw puzzle that pictures a pile of toys, but when you turn the lights out, those toys glow a ghostly green! This high-quality puzzle is 19-1/8" x 28-3/4" (49 cm x 73 cm) when completed. Includes bonus poster! Shrinkwrapped illustrated box.