MBR-E01 refers to the "Lucky Bruce - Powered by Paychecks" blind box series, a collection of cute, work-themed collectible figures by Toys Alliance featuring the character Monday Bruce, designed to bring good luck and financial prosperity to office workers, with 7 regular and 2 hidden designs in the set, often sold as a full box of 8 to get the complete set. 

Product Name: MBR-E01 Lucky Bruce - Powered by Paychecks (or "Salary Power").
Brand: Toys Alliance.
Theme: Office life, earning money, and good fortune for workers.
Contents: A blind box series with 7 standard figures and 2 secret/hidden figures to collect.
Purpose: A fun, collectible desk toy for adults, offering a bit of fun and luck for the workday.