Galt Toys Inc Dreadful Dinosaurs 3D Changing Puzzle This dramatic Galt 3D Puzzle - Dreadful Dinosaurs depicts a wide variety of fierce and unusual dinosaurs The completed puzzle reveals amazing 3D effects There's so much to see and talk about in this puzzle, children will return to it again and again Galt's 3D Puzzle measures 10'' x 15'' when assembled, and is suitable for children aged 6 and over Galt products are quality controlled and meet all American, Canadian, British and European standards for toy safety