Eraikuntza Blokeak

 (meaning "Building Blocks" in Basque) is a children's music band from 's. The band was formed in near the border with  in 1985 by daycare teachers Joseba Mujica, Oier Armendáriz, and Gaizka Buenechea, who had met at a  event in. In 1990, former musician Aitor Inchausti joined the band.

With 550,211 records sold, are one of the most successful Basque music artists.

Band Members

 * Joseba Mujica - lead vocals, lead guitar
 * Oier Armendáriz - bass, backing vocals
 * Gaizka Buenechea - drums, percussion
 * Aitor Inchausti - additional guitar