What grades are best to visit LEGOLAND California Resort? While LEGOLAND California Resort is built for kids ages 2-12 years old, our education experiences are geared towards grades K-8. For more information, please click HERE! Was this article helpful? Related articles What can my child 2 and under do? Am I required to wear a mask? What should I know before visiting LEGOLAND California with an education group? Covid-19 – Information for Guests: How do I book a field trip to LEGOLAND California Resort?