هناك حقيبةٌ صغيرةٌ في حقيبتي
thank you for that
هناكcan mean there as in “over there” if you wanted to say there is you would say “في"
That's dialect, not MSA.
في شنطتي شنطة صغيرة is this can be the answer
I think so yes (but this construction isn't introduced until a later lesson).