Cup Challenge

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Across
  1. 2. To expand
  2. 4. To draw towards yourself
  3. 6. Something that can be stretched
  4. 9. Something to work on with legs
  5. 11. The same material as an eraser
  6. 13. Container for liquids
Down
  1. 1. To put on top of each other
  2. 3. To work together
  3. 5. People working together
  4. 7. String
  5. 8. Difficult to do
  6. 10. A team
  7. 12. Something that can be stretched made of rubber