Park and Shapes

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Across
  1. 2. it is *
  2. 7. it is ▄
  3. 9. you can move up and down.
  4. 12. it is ▲
  5. 13. it is █
Down
  1. 1. it is ♥
  2. 3. it is ♦
  3. 4. it is ☻
  4. 5. you can go round.
  5. 6. you can see the whole park when you are on top of it.
  6. 8. you can go up as high as the sky.
  7. 10. you can come down very fast.
  8. 11. it is