The theft took place between Friday afternoon and Monday morning.
A swing set, a rocking swing and a play pig have disappeared.
Several people are suspected of being involved because the swing set alone weighs over 250 kilos.
- It is the children you destroy for.
The playground will be cordoned off for a number of weeks, and there will be a large cost to replace the equipment, says Karin Emanuelsson at the Technical Office, in a press release.
New playground ordered
Parts of the playground have now been cordoned off with a riot fence so that no one is injured on the foundations that protrude from the ground.
The municipality of Jönköping will order new equipment, it is estimated to be in place in about six weeks.
The incident has been reported to the police and the police are urging any witnesses to contact them.