Crust boat

A makeshift raft consisting of equal parts bread crust, twig and leaf (crust = hull, twig = mast and leaf = sail).

Construct as following; attach the leaf to the twig by piercing the leaf at both ends and sliding the twig through each hole. Attach mast to hull by piercing crust with twig / leaf so as to stand perpendicular to the crust.

Give your vessel a name and watch in delight as it sails out towards bewildered ducks who may, or may not take a bite.