The answer is 77 years old, since the sisters are 3 years apart.
Probably an Immersion Blender, as putting hot soup into a blender would break it and cause soup to go everywhere ;)
An immersion blender can be placed into the pot and won't break, as well as not make a mess.
The answer would be B Potter palmer
if you willing to buy something go to shakly and get there basic h or use vinegar
