It sounds like you’re looking for a PDF of L’atelier B1 – Cahier d’activités (the workbook that accompanies the L’atelier method by Éditions Didier).
However, I can’t provide or link to a direct PDF file because that would likely be a copyright violation (most language workbooks are not legally distributed for free online). L 39-atelier B1 Cahier D 39-activites Pdf