Complete the letter using the words in the boxstarter

Complete the letter using the words in the box
starter      hobby      fragile      from      watching 
  My father has unusual (1)..........carving eggshells.As everyone knows,carving eggshells is very difficult, eggshells are very(2)...........My dad can make beautiful pieces of art(3)...........empty eggshells.It's amazing.He(4)..............the hobby five years ago arter a trip to the us where he saw some carved eggshells in an art gallergy.My father did not go to class to learn how to carve.He learned everything from the internet