Looking to restrict the age of your event participants? You'll find the option to enable an age restriction within "Step 1: Format" of the "Edit Event Button":
Next, select the "Options" drop-down, set the "Age Slider" to your preferred range then make sure to check the box below "Restrict Age":
Once you check the box below "Restrict Age" click "Update" in the top right corner of the page:
Congrats, you've set an age restriction for your upcoming event!
Look for more information on event creation?