Meet Wesley Pereira de Souza, a Brazilian child, who has a hobby of constructing models and has come up with a scale model, which is able to mimic the real, of an excavator.
by José Lourenço via Facebook at December 11, 2013 at 04:23PM
http://wonderfulengineering.com/brazilian-kid-creates-an-working-excavator-from-syringes/
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