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Join us March 3rd!

Dinosaur Costume Party

We’re well on our way to breaking the world record for the largest gathering of people dressed in dinosaur costumes! Due to the overwhelming positive response from the community and our fans, registration for the Dinosaur Costume Party is now closed.

If you still have a dino-mite costume and want to be a part of this prehistorical event, add your name to the waitlist below and you will be informed if there are any openings and be the first to find out about our next set of updates for Dino Valley!

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Get Ready to Unleash Your Inner Dinosaur!

With our NEW land Dino Valley opening this spring, LEGOLAND California Resort is setting out to break the world record for the largest Dinosaur Costume Party on March 3rd. We want to invite YOU to be part of our history! 

  • When: Sunday, March 3rd 2024 
  • Time: 7 a.m. to 9 a.m. (Park officially opens at 10 a.m.) 
  • What: Guests are invited to visit LEGOLAND California dressed in full head-to-toe DINOSAUR costumes! The best part? Participants in full head-toe-tie dino attire will receive complimentary same-day Park admission! 
  • Where: LEGOLAND California Resort  


Questions? Click here for FAQs.

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People in Dinosaur Costumes outside LEGOLAND California

Dino-Packed Fun

Join us as LEGO T-Rex Guy makes his debut appearance at LEGOLAND California leading our Dinosaur Costume Party, a NEW Dino Valley costume character is unveiled for the first time, and grab yourself a dino-selfie at our fun family photo ops!

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Dino Valley KV

Explore Dino Valley Opening This Spring!

Are you ready for a NEW ROAR-some adventure? Brace yourselves to discover the NEW Dino Valley, an unexplored land where bricktastic LEGO® dinosaurs roam, with awesome new dino rides, character meet & greets, and build and play areas. It’s a dino-packed journey you won’t want to miss! 

Learn More About Dino Valley

Frequently Asked Questions

Participants should plan to arrive between 7 a.m. – 7:45 a.m. for check-in and security screening. Check-in will end promptly at 8 a.m. We will do our best to accommodate, but late arrivals may not be admitted to the event. The event will take place from 8 – 9 a.m.

Yes, chaperones are permitted but we ask that you try to limit how many there are within your party. Non-participants will be allowed into the Beginning Plaza from 7 to 9 a.m. to chaperone. Following the event, all event guests will exit the Park to re-enter. Non-participants could then purchase a Park admission ticket or return to vehicles.  

Yes! We would love for our passholders to join us as we host this record-breaking dinosaur party. Pass holders will also receive non-transferrable complimentary admission. This means you can use the ticket for yourself, but cannot gift to another person.

Silver passes blocked out on 3/3/24 can visit the Park for no additional charge if the criteria to receive the free ticket is met.

Participants in full head-to-toe dino costumes present for the entire Dinosaur Costume Party event between 7 to 9 a.m. on March 3rd will receive complimentary same-day Park admission! 

Dinosaur costumes cannot be worn on any Park rides or attractions. Please plan to store your costume during your Park day. Re-entry will be permitted so you may return costumes to your vehicle if you choose. 

Our NEW land Dino Valley opens this spring. Subscribe to our email newsletter here to be the first to know!  

Refunds will not be issued for General and Hotel Guests with pre-purchased park tickets valid for March 3rd. Complimentary admission is non-transferrable and only valid on Sunday, March 3rd.  

Don’t Miss Dino-Packed Fun!

Sign up below to be the first to know when we release more details about Dino Valley and the big adventure coming soon. 

Permission Checkbox*

Participants should plan to arrive between 7 a.m. and 7:45 a.m. to ensure there is enough time to go through security and receive your complimentary admission for the day. Participation in the event and full head-to-toe dinosaur costume is required to receive free same-day Park admission.  

Non-participants will not receive free admission for the Park following the event, and we recommend purchasing tickets online in advance. Tickets given for participation that day are only valid for 03/03/2024. Refunds or rain checks will not be provided. If arriving after cut off time (8 a.m.), tickets will not be issued. Complimentary admission is non-transferable and intended for the participant in a full head-to-toe dinosaur costume. Passholders cannot transfer their complimentary admission to another guest. 

Subject to additional restrictions. Event registration can end at any time and is subject to capacity limitations. Participation in the Dinosaur Costume Party event implies agreement with the terms and conditions posted at the LEGOLAND entrance and in the Park guide. Entry in LEGOLAND constitutes consent to use any film, video, or likeness of Dinosaur Costume Party non-participant and participant for advertising and other promotions without payment. 

Refunds will not be issued for General and Hotel Guests with pre-purchased park tickets valid for March 3rd. Complimentary admission is non-transferrable and only valid on Sunday, March 3rd.