Fun back in the day

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Across
  1. 2. one foot two foot
  2. 3. Baby Cats
  3. 4. write on the side walk
  4. 5. you can buy it for cheap
  5. 7. similar to Baseball
  6. 9. la la la
Down
  1. 1. skates
  2. 5. some thing do on a tree
  3. 6. this
  4. 8. similar to stickball