Inventos de blas
Illustrator Beaumont
Published 1976
Publisher Lau
ISBN 8424312139

Los inventos de Blas (Bert's Inventions) is a 1976 book of comics based on Ábrete Sésamo, the 1970s translation of Sesame Street that aired in Spain. The 32-page book featured cartoon stories about Blas (Bert), Epi (Ernie) and Lefty the Salesman.