From the Super Mario Wiki
Toadles Boutique is one of three equipment stores located in Toad Town Mall in Mario & Luigi: Bowser's Inside Story and Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey. Among the three other stores, it sells mid-range equipment. Aside from its main function as a store, it also appears in a sidequest in which the Mario Bros. must find a Toad in the store while playing hide and seek. The Mario Bros. may only shop here after achieving the Shine Rank (Flower Rank in the remake). Otherwise, the distinguished Toad will impolitely ask Mario and Luigi to leave.
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