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It's a Wonder
The CN Tower is an easy model with 22 pieces on one sheet of metal. A reduced picture of the instruction sheet is provided so you can see what you're getting into. In 1995, the American Society of Civil Engineers pronounced the CN Tower one of the seven Wonders of the Modern World.
Each Metal Earth model is laser etched in meticulous detail on one, two, or three 11 cm (4.33") metal sheets. Pop out the pieces by hand (or use wire cutters to get especially crisp lines), bend the tabs using needle-nose pliers, and fit them together as shown in the simple pictorial instructions. Metal Earth models are a little less challenging than our 3D wooden puzzles, but you do need some patience and dexterity because they're also much smaller. For maximum dramatic effect, display your model on the LED Display Base or the Solar Spinner (sold separately, see below).
Please note that Metal Earth models have sharp edges and are not suitable for small children. Metal Earth was originally called MetalWorks.
Are you curious...?
When completed in 1976, Toronto's 1,815 ft (553 m) high concrete communications and observation tower was the tallest freestanding structure in the world, a distinction that it didn't lose until 2010. It's named for its builder, the Canadian National Railway company, although they sold it off in 1995. Now it's officially the Canadian National Tower, but nobody calls it anything but "CN Tower."
Why did a railroad go into the skyscraper business? In 1968 the CNR wanted to build a large TV and radio antenna to serve the Toronto area, and they wanted it to be a symbol of Canada's strength and their own company's primacy. Toronto was booming in the 1960s and '70s and its tall new buildings were interfering with broadcast signals. Antennas needed to be at least 980 ft (300 m) high to be of any use at all. Most business communication in those days used point-to-point microwave dishes that required line-of-sight, and every new skyscraper interrupted somebody's signals. CN would solve that problem by renting microwave links that were visible from anywhere in Toronto.
Some Canadians assert that the CN Tower should be measured against other world landmark buildings, citing its restaurant, gift shop, and observation levels. But the people who define such things say that a building is "designed for residential, business, or manufacturing purposes" and must have continuous floors from the ground. So if it's not a building, why don't taller radio masts and towers outrank the CN? Those are stabilized by guy wires, whereas the CN is free-standing.