Beethoven doodle

https://www.google.com/logos/2015/beethoven15/beethoven15.html?hl=es&doodle=18611475

Beerhoven for young people

https://www.mariajesusmusica.com/inicio/beethoven-para-nios-impresionante-pgina-web

Beethoven's life

https://www.classicsforkids.com/composers/composer_profile.php?id=7

Beethoven trivia

https://jeopardylabs.com/play/beethoven-trivia-questions