La plate-forme collaborative de bricolages scientifiques et pédagogiques


  • Etape 8

    In the rest of the can cut all around a 1.5 cm wide strip.


    Cut this circle to form a long strip. Fold it in half.


    Follow the diagram opposite and form a whistle.


    Finally, lift the tab a little with a screwdriver or an awl to provide a passage for the air.

    Taille originale

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