A basement full of trains

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Across
  1. 3. shapes or patterns
  2. 6. quiet laugh
  3. 7. right away
  4. 9. made of wood
  5. 10. move up and down
  6. 11. looks like real life
  7. 12. created 3-D model of something
Down
  1. 1. very large
  2. 2. silly and funny
  3. 4. edge
  4. 5. to wind like a snake
  5. 8. very very small
  6. 12. o imagine to exist or be true, likely, or probable