From the Super Mario Wiki
Gramma's Place is a shop located in Toad Town in Mario & Luigi: Partners in Time, operated by Gramma Red and Gramma Green. When first visited, Mario, Luigi, Baby Mario, and Baby Luigi find the two Toads hiding in their shop. Gramma Red and Gramma Green then sells their wares to Mario and company. Despite their shop being heavily damaged, Gramma Red and Gramma Green have many goods, including badges and regular items.
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