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? What should I know before visiting LEGOLAND California with an education group? How do I book a field trip to LEGOLAND California Resort? Covid-19 – Information for Guests: What are the benefits to using the handheld device?