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v3.25.1

Schedule of accruals and other payables (Details) (Parenthetical) | Dec. 31, 2024 HKD ($)
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Notes and other explanatory information [abstract] |
Customer loyalty programmes | $ 2,290,851

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- Definition Customer loyalty programmes. + References No definition available. + Details
Name: | MB_CustomerLoyaltyProgrammes
Namespace Prefix: | MB_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ifrs-full_NotesAndOtherExplanatoryInformationAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration