Current federal guidelines state that fulcrum seesaws can be installed safely if car tires are embedded under the seats and adequate space is left around them in case of a fall. ... Only 2 percent of injuries were from teeter-totters.

How are seesaws dangerous?

Seesaws, especially old models made of wooden planks, could cause tailbone and spinal injuries or, less seriously, cause children to fall and get splinters, or slam into each other when dismounting.

Do they still have teeter totters?

Probably due to too many kids falling on their faces, teeters totters are not as popular as they used to be. They are still at some old parks, but you rarely see them in backyards anymore. That is a shame because, under proper usage, they are the best way to have simple fun outside.