TO join you need to go to the corresponding link and then create an account and introduce the corresponding class code.
4ESOA
LINK -https://edpuzzle.com/join/jeebviw
CLASS CODE. : jeebviw
4ºESOB
LINK: edpuzzle.com/join/azokedm
CLASS CODE: azokedm
4ESOA
LINK -https://edpuzzle.com/join/jeebviw
CLASS CODE. : jeebviw
4ºESOB
LINK: edpuzzle.com/join/azokedm
CLASS CODE: azokedm