Museum of Science and Industry

Make and Fly a Helicopter

Step 5 of 7: Fold D and E

Fold flaps D and E in opposite directions to form the blades. Fold D towards you and flap E away from you. Hold your helicopter up high and drop it again. What happens?

Museum Hours
  • Daily from 9:30 a.m. to 4 p.m.
    Open daily except Thanksgiving and Christmas
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Museum Location
Museum of Science+Industry
5700 S. Lake Shore Drive
Chicago, IL 60637
1 (773) 684-1414
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