Welcome to Meccano ® Your inventions need Inventing! Your dreams needs Life!, Erector by Meccano | S.T.E.A.M. Building Sets for Young Inventors : Erector by Meccano gives today’s young thinkers the tools they need to become tomorrow’s inventors! Our S.T.E.A.M. sets help kids explore science, technology, engineering, the arts and math as they build, create and invent.