No spare tire laying around but I got the same effect with the top to our old mini trampoline. After a quick run by the hardware store and about 15 min to set it up my kids are spinning and swinging the day away.
What to do when your trampoline is wrecked beyond repair? The best solution is to turn it into a circular swing bed! View the full collection of trampoline swing bed inspiration here: theownerbuilderne. Would you like to hangout here?