Injuries at playground are very common. Children fall from slides, swings and other objects. Ability and procedure to sue depends if the injury occurred at private or public playground. You can file a lawsuit based on different theories.
You can claim that playground design was dangerous. That the safer option was available at similar or slightly higher cost. You maybe able to sue if other child caused the injury to your child.
However you have to act fast. If the playground, as in most cases, was operated by the city, county, etc there is less time to file lawsuit. So you should contact an attorney as soon as possible. Call Michalak Law Firm at 888.SHARK.40 or 323.828.0258 for free consultation.