Brazilian magazine published by Petit, published only practical assemblies that were sold as kits, has a store in the Santa Ifigenia region that still sells several kits of the schemes published in the magazine.

His technical director was Mestre Będa Marques who was also a technical director in the magazines ABC da Eletronica , Be a Ba da Eletronica and Have Fun with Electronics that influenced a generation of technicians, hobbyists and engineers. Deceased in 2004 issue 85, he continues to leave a great legacy in the history of electronics in Brazil.