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, Gorka Jáuregui, and Gaizka Buenechea, who had met at a  event in. In 1990, former musician Aitor Inchausti joined the band.

The band mainly perform in Basque and Spanish - though they have also released albums in the Catalan (as Blocs de Construcció), Galician (as Bloques de Construción), and Portuguese (as Blocos de Construção) languages.

In 2015, launched a spinoff band Eraikuntza Blokeak L.A. to perform in  and Barokia. The band, based in, is formed of Venezuelans Federico Brandstätter, Daniel Cañizares, and Andrew Pereira and Colombians Lorenzo Cejas and Marcelino Junqueras - and was formed as a "local version and backup" for the original band. Aitor and Joseba have stated that "this has been previously unheard of in Spain's music industry as a whole."

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
 * Gorka Jáuregui - keyboards, sound effects, occasional backing vocals
 * Gaizka Buenechea - drums, percussion
 * Aitor Inchausti - rhythm guitar, backing vocals