Are you thinking about putting in a play structure or swing set in your backyard?  Take a look at this guide from the CPSC before you go shopping: The Outdoor Home Playground Safety Handbook.  Includes sections on :

• Plan Your Play Area
• Anchor, Assemble and Maintain Your Equipment
• Select Protective Surfacing
• Use Toddler/Tot Swings Safely
• Outdoor Home Playground Safety Checklist

Make sure your swing set is safe!