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A slinky is usually made of around 65-80 feet of wire, depending on the size and length of the slinky.
The original Slinky is made up of 80 feet of high-grade blue-black steel wire, coiled into a helical spring.
23.3 meters
3 feet
5,280 feet make 1 mile.
There are 3.281 feet in one meter.
It takes 4 yards to make 12 feet.
Since there are 3 feet in a yard it takes 300 feet to make 100 yards.
About three.
1 acre = 43,560 square feet
The original slinky in a normal state was 2.5 inches and by 2005 over 300 million had been sold. So that's 750,000,000 inches or 11,882 miles. The Earth at the equator is around 25,000 miles so the slinkys wouldn't even make it half way around the Earth.
If a slinky is tangled or bent out of shape, you can try gently pulling and twisting it back into its original form. If the slinky is broken or stretched out, it may be difficult to repair and you might need to replace it. Regularly untangling the slinky after use can help prevent it from getting damaged.