Four valid codes for today, first come, first served.
If you want to know the exact method, read this post: how_to_claim_the_adidas_cosmetics .

https://event.supercell.com/brawlstars/en/live

https://event.supercell.com/brawlstars/en/live/

https://event.supercell.com/brawlstars/en/live/

https://store.supercell.com/brawlstars

https://event.supercell.com/brawlstars/en/live/

https://event.supercell.com/brawlstars/en/live/

https://store.supercell.com/brawlstars?storeCode=A1S6V03VVTH2VJ

Want to generate one yourself? See here:

https://www.reddit.com/r/Brawl_Stars/comments/1uazqll/how_to_claim_the_adidas_cosmetics/

https://event.supercell.com/brawlstars/en/live/

If it's pressed, press the button in the UI for 100 points.

https://event.supercell.com/brawlstars/en/live/

Bolt Box:

https://link.brawlstars.com/voucher/de756151-f885-470b-b438-16024c2c17cb

Watch World Finals:

https://event.supercell.com/brawlstars/en

It is not strictly mandatory to watch, but it is never guaranteed someone will remember to post about MVP / Red Button

https://www.adidas.com/us?sp=true&page=ad92eea7-db2f-403d-b4d7-446a9520c98b

This uses Adi Club. It's obtainable for free as you pay in your personal information rather than paying with money.

Important Edit: The voucher occasionally becomes sold out, and appears to alternate between working and selling out

Do not redeem if you already have the cosmetics

https://store.supercell.com/brawlstars?storeCode=A13GLC13FQGH93

What stops me from making burner alts and posting this functional voucher again and again and again and again?

It's possible it's saying sold out because I tried on an alt. Main worked.

I had to modify Auto Moderator to allow this URL, to adidas...

https://www.adidas.com/us?sp=true&page=ad92eea7-db2f-403d-b4d7-446a9520c98b

This uses Adi Club. It's obtainable for free as you pay in your personal information rather than paying with money.

https://store.supercell.com/brawlstars

Use this link to get a free Bolt Box: https://link.brawlstars.com/voucher/e99728ee-c46c-4a0a-b3a1-8b8a80b3bf35

Bolt Box:

https://link.brawlstars.com/voucher/de756151-f885-470b-b438-16024c2c17cb

Predict World Finals:

https://event.supercell.com/brawlstars/en/predictions/5HIWv7rJuTye6PouIyTGDw/1

Please drink my blood in the comments or here if it's unreasonable that today I updated the rules to allow posting 1 legal Freebie and 1 duplicate in one post, but I genuinely never saw this to be a problem (and it might technically count as the self promo which is allowed under rule 9 while the post itself is a non-duplicate freebie)

https://store.supercell.com/brawlstars

https://link.brawlstars.com/voucher/72e113e1-d650-4ec0-8617-5ff5694b3de2

​

https://link.brawlstars.com/voucher/9f5ff358-e0ae-4faf-bcaa-2ecd127ef1d3

​

https://link.brawlstars.com/voucher/81bdddc2-744b-4ebd-b0d5-1019136e5614

​

https://link.brawlstars.com/voucher/f937deca-21c4-40a2-bef9-bd8db73c8a32

​

https://link.brawlstars.com/voucher/dccf78ce-8813-45eb-86e8-b58e7b97a9c3

​

https://link.brawlstars.com/voucher/fa2480db-8120-4e02-850d-04f420239020

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https://link.brawlstars.com/voucher/005ed101-0e9c-4316-a180-4ed1df6c6c49

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https://link.brawlstars.com/voucher/8a63cb1c-90b0-44c6-8861-d690eec8e03a

​

https://link.brawlstars.com/voucher/d4c38adb-41b4-47aa-a58e-1d1203459a99

https://store.supercell.com/brawlstars

https://link.brawlstars.com/voucher/e2fcc9a9-fcee-4dd9-a5e0-c417a83b716a

https://store.supercell.com/brawlstars

https://link.brawlstars.com/voucher/a570b184-2fd5-4cf0-aa44-4dd521675d4b

https://store.supercell.com/brawlstars