Cuckoo Castle

Submitted by fchasen on Wed, 04/03/2013 - 10:30


We wanted our clock to have the element of fear and surprise.

The crank winds the drawbridge down, but instead of the dragon being present behind the draw bridge, it pops up out of the roof of the castle.

We used a linkage and pulleys to translate the rotational motion of the crank to make the dragon pop up.


  • 3 styrofoam boards (2 thin wall, 1 thick base)
  • 1 foam core board
  • metal rod
  • fishing wire
  • wooden skewers
  • wooden sticks
  • printed images
  • nails
  • thumbtacks
  • metal hinge



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