I thought this might be helpful for those that have kids

Universal Studios:

Revenge of the Mummy - Must be at least 48"

Jimmy Neutron's Nicktoon Blast™- Must be at least 40" (persons under 40" can experience this attraction from an adjacent stationary location.)

MEN IN BLACK™ Alien Attack™ - Must be at least 42"

Woody Woodpecker's Nuthouse Coaster® - Must be at least 36"


Islands of Adventure:

Jurassic Park River Adventure® - Must be at least 42"

Pteranodon Flyers® - Must be at least 36" (36" to 56" must be accompanied by an adult)

Dueling Dragons® - Must be at least 54"

Flying Unicorn® - Must be at least 36"

Dudley Do-Right's Ripsaw Falls® - Must be at least 44"

Popeye & Bluto's Bilge-Rat Barges® - Must be at least 42"

Incredible Hulk Coaster® - Must be at least 54"

The Amazing Adventures of Spider-Man® - Must be at least 40"

Doctor Doom's Fearfall® - Must be at least 52"

The High in the Sky Seuss Trolley Train Ride!™ - Must be 34". (Children 34" to 48" must be accompanied by an adult.)