Glow in the dark dinosaur parasaurolophus 39 piece 3d wooden jigsaw puzzle. Glow in th dark puzzles come in a box w/instructions. its a challenging educational and creative activity for all ages. Start your collection today!. Assembled dimensions: 15"" L x 4.3"" W x 12"" H. Ages: 8+ yrs. Warning: Choking Hazard - Small parts. Not for children under 3 yrs.