the seaside

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Across
  1. 2. A small creature with claws
  2. 5. A moving wall of water
  3. 6. The rise and fall of the sea
  4. 7. A creature that swims
  5. 9. Soft grains you find on the beach
Down
  1. 1. Hard object found on the shore
  2. 3. Something you carry to collect sand
  3. 4. A place where you play by the sea
  4. 8. A tool used for digging
  5. 9. The big blue water