This is the adorable moment twin boys with cerebral palsy were left in hysterics when riding a roller coaster. Video shows Isaac and Sawyer Jenson, four, laughing uncontrollably on the BomBora roller coaster at the Lagoon Amusement Park in Farmington, Utah, USA. Isaac and Sawyer have limited independent mobility so they love play that involves movement such bouncing on yoga balls or going down fast slides. Julia, a stay-at-home mum from Riverton, Utah, said: “We think it gives them a sense of ‘flying’ or independent movement they cannot feel on their own. “It is a completely new feeling for th…