Top 10 thing

Best Engineering Challenges for Young Builders

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  1. 1
    Cardboard gear train
    Cardboard gear train
    0 votes
  2. 2
    Model waterwheel
    Model waterwheel
    0 votes
  3. 3
    Wind-powered paper car
    Wind-powered paper car
    0 votes
  4. 4
    Model water barrier
    Model water barrier
    0 votes
  5. 5
    Mini parachute
    Mini parachute
    0 votes
  6. 6
    Paper roller coaster
    Paper roller coaster
    0 votes
  7. 7
    Rubber-band car
    Rubber-band car
    0 votes
  8. 8
    Marble run
    Marble run
    0 votes
  9. 9
    Cardboard bridge
    Cardboard bridge
    0 votes
  10. 10
    Paper tower
    Paper tower
    0 votes
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