My parents took me to Port Aventura when I was 8 and although I only really went on the Carousel and a Balloon ride I remember enjoying it. 15 years later my family and I returned with our 2 year old daughter.
We arrived around 10am which appears to be a good time to arrive as there were plently of car parks close to the entrance. The queue to enter wasnt too long and we enjoyed a nice day at the park.
My daughter was a bit sad she couldnt meet Elmo or Cookie Monster, as the pamphlet sort of gave an impression they'd be there at Sesamo World. She did enjoy the car ride and few other rides that she was tall enough to go on.
My daughter was to turn 3 the month after our trip and that appears to be when a child needs to buy a ticket from. Even at 3 I'm not sure how many 3 year olds would be tall enough to ride on the kiddie rides as the limits are around 100cm to 120cm and above. If we'd had to pay a ticket for her we'd probably be dissapointed that we had paid and she wasnt tall enough to go on more than 3 or 4 of the rides.
I how ever enjoyed the day on the Diablo, Tuki Tuki Splash and various other rides. The two big roller coasters were sadly "down for maintenance"
and the queue times well over an hour, but this is to be expected for any theme park.
Had great fun and it's definately worth the money. Check selected Coke bottles for discount vouchers :)