Hello MrShoes, you may want to visit the "Rider's Guide" provided by Universal Studios Singapore. There is a "Descriptions and Restrictions" content on page 12. Hope I helped !
Rider's Guide link: http://www.rwsentosa.com/LinkClick.aspx?fileticket=pr6dbzZ%2bECs%3d&tabid=962&mid=8113&language=en-US
Source: http://www.rwsentosa.com/language/en-US/Homepage/Attractions/UniversalStudiosSingapore