After completing the Egyptian Finx Quest Room you entered the Egyptian Finks souvenir shop

You saw Finx there, putting souvenirs on some shelves.

And you also saw Lumi.

Lumi was sitting on a bench straightening her clothes, her thick legs shaking from her movements

Finx noticed you

Finx: Congratulations on completing my Room Quest! Choose one souvenir for yourself - it will be completely free!

Lumi: waved a little shyly at you without raising hand much