Answer:
A toy of changing colours and objects within a tube - Kaleidoscope
Of short duration; quickly passing - Brief
Free and unoccupied time - Leisure
Having characteristics of fire - Fiery
A person joined by affection with another - Friend
The highest point; top; summit - Height
Personal property that has been in a fmaily for generations - Heirloom
An enemy or foe - Fiend
Pertaining to the Middle Ages - Medieval
A stretch of open land - Field