In the following table you will find the height restrictions of Port Aventura's attractions, also you can see the approximate queue time of every attraction and if  the Universal service Express option is available.

The queue times are for guidance only and can vary considerably. I have known Dragon Khan to have a 2 hour wait before now!
 

Attraction They can ride accompanied Minimal height Maximum height approx queue time Universal Express Others
Port de la Drassana

(Port of the Drassana)

1.10m 1.10m - 15 min. No Transport up to China.
Estació del Nord

(North Station)

1.10m 1.10m - 10 min. No Transport up to Far West.
Tutuki Splash 1.2 - 1.4m 1.4m - 30 - 45 min. Yes You are going to get wet
Waikiki - - 1.2m 0 min. No  -
Loco-Loco Tiki

(Madman - madman Tiki)

1.10m 1.10m - 5 min. No  -
Tami-Tami 1.10m. 1.10m - 5 - 10 min. No  -
Canoes - - 1.4m 5 min. No  -
Kon-Tiki Wave 1.10 - 1.4m 1.4m - 5 - 10 min. No  -
Sea Odyssey 1.0 - 1.2m 1.2m - 30 - 60 min. Yes Can scare small children
Waitan Port 1.1m 1.1m - 10 - 20 min. No Transport up to Mediterrània.
Cobra Imperial (Imperial cobra) 1.2m 1.2m - 5 - 10 min. No
Tea Cups 1.1m 1.1m - 5 - 10 min. No
Área Infantil - Dragones

(Kids area - Climbing Dragon)

- - 1.4m 0 min. No  -
Área Infantil - Dragones

(Kids area - Dragons)

- - 1.2m 0 min. No -
Área Infantil - Cometas

(Kids area - Comets)

- - 1.4m 0 min. No -
Área Infantil - Globos

(Kids area - Globes)

1.4m 1.4m - 0 min. No  
Dragon Khan - 1.4m - 15-30 min. Yes  -
Fumanchú - 1.1m - 5 - 10 min. No
El Diablo

(The Devil)

- 1.1m - 10 - 20 min. Yes  -
Los Potrillos

(The Foals)

- 1.1m - 5 - 10 min. No  -
Trono de Pacal

(Pacal's throne)

- 1.2m - 5 - 10 min. No  -
Armadillos - - 1.2m 0 min. No  -
Yucatan 1.1m 1.1m - 5 min. No
Serpiente Emplumada

(The Feathered serpent)

- 1.2m - 5 - 10 min. No  
Templo del Fuego

(Temple of Fire)

- 1.0m - 5-45 min. Yes It can be scary for small children.
Tomahawk 1.0 - 1.2m 1.2m - 5 - 10 min. No  -
Stampida - 1.2m - 15 - 30 min. No  -
Carrousel 1.2m 1.2m - 5 min. No  -
Penitence Station 1.1m. 1.1m - 10 min. No Transport up to Mediterrània.
Silver River Flume  1.0 - 1.4m 1.4m - 30 - 60 min. Yes You are going to get wet
Buffalo Rodeo - - 1.4m 5 min. No -
Wild Buffalos - 1.4m - 5 - 10 min. No -
Crazy Barrels - 1.3m - 5 - 10 min. No  
Grand Canyon Rapids 1.1 - 1.3m 1.3m - 10 - 30 min. Yes You are going to get wet
Volpaiute - 1.4m - 5 - 10 min. No  
Attraction Children must be accompanied Minimal Height Maximum Height Average Wait Time Universal Express Others