Mudpuppy's Keith Haring Glow In the Dark Puzzle features 100 pieces of vibrant, artistic fun. After you're finished, turn out the lights to see the puzzle glow! - 100 pieces, 18 x 12" - Ages 5+ - Box dimensions: 7.5 x 5 x 3.5"Mudpuppy's Keith Haring Glow In the Dark Puzzle features 100 pieces of vibrant, artistic fun. After you're finished, turn out the lights to see the puzzle glow! - 100 pieces, 18 x 12" - Ages 5+ - Box dimensions: 7.5 x 5 x 3.5"