This 3-D puzzle produces a scale model of Canada's National Tower (AKA the CN Tower or Tour Nationale du Canada). Located in downtown Toronto, Ontario, the CN Tower is the tallest structure in North America and was declared one of the modern 7 Wonders of the World by the American Society of Civil Engineers and ranks in first place in the World Federation of Great Towers. This 3-D puzzle contains 48 pieces and can be assembled within 2-3 hours by ages 8 and up. The finished model stand 35 inches tall. No scissors or glue are required and the level of difficulty compares to a 500 piece jigsaw puzzle. Some pieces are small enough to pose a choking hazard for children under age 3. Includes booklet about the CN tower in several languages 48 pieces made from paper and expandable polystyrene foam board Complies with EN71, ASTM F963 and ISO8124 safety standards For ages 8+ (difficulty equivalent to 500pc jigsaw puzzle) No tools or glue required. Finished model is 35" tall by 8" by 6.7"