General knowledge for the Pigott family

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Across
  1. 3. the words that fit all tunes "knobby.....?
  2. 5. As a toddler Ben when down the road to get what?
  3. 6. Sammy says to mummy "but you're not --- though!"
  4. 7. How you prove you're you after plastic surgery
Down
  1. 1. The pig will be found in what?
  2. 2. Old Master we never heard of?
  3. 4. where did Ben get stung?