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Duncan The Drinking Bird

Duncan The Drinking Bird

SKU YJ-DTDB Categories ,

$8.10

Description

  • This classic novelty drinking bird is a scientific wonder
  • Dip head in water and the liquid inside will flow upside down to make Duncan bob
  • This seemingly simple device uses the principles of thermodynamics to maintain a constant bobbing motion

 

SPECIFICATION
  • 45(L) x 50(W) x 185(H) mm

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