PS 8876 Adventure Tunnel Kit will have your little thrill seeker crawling, climbing and exploring along their playset. This fun addition easily attaches to a 4' wooden play deck with a 21 ½ inch opening. You can even connect a PlayStar slide or climber to customize your tunnel to add to the excitement! Thoroughly tested for safety and comes with a 10 year warranty to ensure your family can enjoy this Adventure Tunnel for many years to come.