Champions Verify

SECURE CHALLENGE ENTRY

Show us what you built.

Your video stays private while the Cube Mines team reviews it.

Builder details

Participant name

Parent or participant email

Age band

Country

Cube count claimed

Challenge tier

Challenge video

Choose a clear video up to 150 MB

MP4, MOV or WebM · preferably 60–90 seconds

I confirm the submission is original and agree to the challenge rules. If the participant is a minor, I am their parent or legal guardian.

If approved, Cube Mines may feature this video and the participant’s first name on its website and official channels.

Before you upload

Keep the entire tower visibleShow the base, top and surrounding area in one clear view.

Use official cubesThe Cube Mines set or packaging should appear in the video.

One uninterrupted attemptAvoid edits or cuts during the final count and stability check.

Play safelyFollow the booklet’s age and supervision guidance.

Videos are stored privately for review. Rejected entries are scheduled for deletion; approved originals can be removed after YouTube publishing.