Every ride and attraction within these 2 theme parks has a sign at the entrance that lists the height requirements for the ride and also warnings about certain medical conditions
Children under 48" (1.22 meters) must be accompanied by an adult at all times.
All shows accommodate guests with disabilities. The outdoor-stage shows have reserved areas clearly marked by signs displaying the International Symbol of Accessibility. For more information, please click on the following link http://themeparks.universalstudios.com/orlando/website/riders_guide.pdf
The above link also gives more detailed information about the attractions that younger toddlers can ride – both before and after they learn to walk. As well as the medical conditions that may prevent a guest from riding.
UNIVERSAL STUDIOS®
Revenge Of The Mummy - Must be at least 48".
Jimmy Neutron’s Nicktoon Blast™- Must be at least 40”. Persons under 40” must experience this attraction from an adjacent stationary location.
Back To The Future The Ride® - Must be at least 40” ; 40” to 48” must be accompanied by an adult.
MEN IN BLACK™ Alien Attack™ - Must be at least 42” ; 42” to 48” must be accompanied by an adult.
Woody Woodpecker’s Nuthouse Coaster® - Must be at least 36” ; 36-48” must be accompanied by an adult
UNIVERSAL’S ISLANDS OF ADVENTURE®
Jurassic Park River Adventure® - Must be at least 42” ; 42” to 48” must be accompanied by an adult.
Pteranodon Flyers® - Must be at least 36” ; 36” to 56” must be accompanied by an adult. Guests over 56” must be accompanied by a guest meeting this requirement.
Dueling Dragons® - Must be at least 54”.
Flying Unicorn® - Must be at least 36” ; 36” to 48” must be accompanied by an adult.
The Cat in the Hat™ - Under 48” must be accompanied by an adult.
Caro-Seuss-el™ - Under 48” must be accompanied by an adult.
One Fish, Two Fish, Red Fish, Blue Fish™ - Under 48” must be accompanied by an adult.
Dudley Do-Right’s Ripsaw Falls® - Must be at least 44” ; 44” to 48” must be accompanied by an adult.
Popeye & Bluto’s Bilge-Rat Barges® - Must be at least 42” ; 42” to 48” must be accompanied by an adult.
Incredible Hulk Coaster® - Must be at least 54”.
The Amazing Adventures of Spider-Man® - Must be at least 40” ; 40” to 48” must be accompanied by an adult.
Doctor Doom’s Fearfall® - Must be at least 52”.
Storm Force Accelatron® - Under 48” must be accompanied by an adult.