AIR JUMPER (Door bouncer) Fill the house with fun & laughter with this patented door bouncer from Jan. It will give endless fun & create a world of excitement for your loved one. This new bouncer, featuring an inflatable surround to prevent knocks & scrapes, also incorporates rattles inside the surround that makes sounds when movements starts, so activating your childs reflexes. Inflatable side with rattle inside. Height adjustment mechanism with double safety lock for greater safety.