On Holiday

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Across
  1. 3. Sometimes it's in, sometimes out - depends on the moon (4)
  2. 6. For carrying water or making sandcastles (6) *A*
  3. 9. Goes with *A* (5)
  4. 10. Two wheels but no engine (7)
Down
  1. 1. Stop off here for a drink and a piece of cake (4)
  2. 2. A lunch outside on a rug (5)
  3. 4. I will take you on a journey if you are a snail (5)
  4. 5. I don't twinkle in the sky and I don't swim in the sea - I'm both (8)
  5. 7. Fly me on the end of a string (4)
  6. 8. Walls of stone, gates of iron, knights of old (6)