Search a dumpling series or Pokémon set, then call before you drive.
Mystery squish
Official RMS Crazy Fun mystery dumplings — Five Below is the primary retailer. RMS also lists Target, Walmart, and Amazon. Gas stations, pharmacies, and dollar stores are not official sellers.
Start at Five Below. Dumpling Hunting tracks real Five Below shelf reports. Skip marketplace / third-party Walmart and Amazon listings — those are often fakes.
Searching for RMS dumplings.